
| Player | Date | P | Comment |
|---|---|---|---|
| 11/2/2026 | SP | Claimed on Unconditional Release Waivers (The Baltimore Orioles claimed SP Josh White off waivers from the Miami Marlins.) To Baltimore | |
| 11/2/2026 | SP | Sent to Minors (The Miami Marlins sent SP Patrick Monteverde outright to the minors.) | |
| 11/2/2026 | 3B | Claimed on Unconditional Release Waivers (The Chicago White Sox claimed 3B Graham Pauley off waivers from the Miami Marlins.) To Chi White Sox | |
| 11/2/2026 | SP | Claimed on Unconditional Release Waivers (The Miami Marlins claimed SP Cameron Weston off waivers from the New York Mets.) From NY Mets | |
| 10/30/2026 | C | Sent to Minors (The Miami Marlins sent C Brian Navarreto outright to the minors.) | |
| 10/29/2026 | RP | Declared Free Agency (Miami Marlins RP Pete Fairbanks declared free agency.) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated RP Pete Fairbanks from the 15-day injured list.) | |
| 9/29/2026 | RF | Activated (The Miami Marlins activated RF Owen Caissie from the 10-day injured list.) | |
| 9/29/2026 | SP | Activated (The Miami Marlins activated SP Robby Snelling from the 60-day injured list.) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated RP Tyler Zuber from the 15-day injured list.) | |
| 9/29/2026 | SP | Activated (The Miami Marlins activated SP Max Meyer from the 15-day injured list.) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated RP Ronny Henriquez from the 60-day injured list.) | |
| 9/29/2026 | SP | Activated (The Miami Marlins activated Patrick Monteverde.) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated RP Andrew Nardi from the 60-day injured list.) | |
| 9/29/2026 | SP | Activated (The Miami Marlins activated SP Adam Mazur from the 60-day injured list. ) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated Zach Brzykcy (RP).) | |
| 9/29/2026 | SP | Activated (The Miami Marlins activated Josh White (SP).) | |
| 9/29/2026 | C | Activated (The Miami Marlins activated Logan Driscoll (C).) | |
| 9/29/2026 | SS | Activated (The Miami Marlins activated Aiva Arquette (SS).) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated RP William Kempner from the 60-day injured list.) | |
| 9/29/2026 | RP | Activated (The Miami Marlins activated Brandan Bidois (RP).) | |
| 9/29/2026 | SS | Activated (The San Diego Padres activated RHP Daison Acosta.) | |
| 9/25/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed RP Tyler Zuber on the 15-day injured list.) | |
| 9/25/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RP Wikelman González from the minors.) | |
| 9/14/2026 | RF | Placed on 10-Day IL (The Miami Marlins placed RF Owen Caissie on the 10-day injured list.) | |
| 9/13/2026 | 2B | Activated (The Miami Marlins activated 2B Xavier Edwards from the 10-day injured list.) | |
| 9/9/2026 | SP | Sent to Minors (The Miami Marlins optioned SP Bradley Blalock to the minors.) | |
| 9/9/2026 | RP | Activated (The Miami Marlins activated RP Pete Fairbanks from the 15-day injured list.) | |
| 9/5/2026 | 3B | Released (The Miami Marlins released 3B Leo Jiménez.) | |
| 9/3/2026 | 3B | Designated for Assignment (The Miami Marlins designated 3B Leo Jiménez for assignment.) | |
| 9/3/2026 | 1B | Recalled From Minors Rehab (The Miami Marlins have recalled 3B Deyvison De Los Santos from the minors.) | |
| 9/1/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Bradley Blalock from the minors.) | |
| 9/1/2026 | 3B | Recalled From Minors Rehab (The Miami Marlins recalled INF Graham Pauley from the minors.) | |
| 8/31/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Wikelman González to the minors.) | |
| 8/31/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Cade Gibson from the minors.) | |
| 8/31/2026 | 2B | Recalled From Minors Rehab (The Miami Marlins recalled INF Jared Serna from the minors.) | |
| 8/31/2026 | 2B | Placed on 10-Day IL (The Miami Marlins placed INF Xavier Edwards on the 10-day injured list.) | |
| 8/29/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Wikelman González from the minors.) | |
| 8/29/2026 | SP | Sent to Minors (The Miami Marlins optioned LHP Patrick Monteverde to the minors.) | |
| 8/26/2026 | RP | Released (The Miami Marlins released LHP John King.) | |
| 8/26/2026 | RP | Sent to Minors (The Miami Marlins optioned LHP Cade Gibson to the minors.) | |
| 8/26/2026 | SP | Recalled From Minors Rehab (The Miami Marlins selected the contract of LHP Patrick Monteverde from the minors.) | |
| 8/25/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed RHP Pete Fairbanks on the 15-day injured list.) | |
| 8/25/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Dax Fulton from the minors.) | |
| 8/24/2026 | 1B | Activated (The Miami Marlins activated INF Kyle Stowers from the 10-day injured list.) | |
| 8/24/2026 | 1B | Sent to Minors (The Miami Marlins optioned INF Deyvison De Los Santos to the minors.) | |
| 8/23/2026 | RP | Designated for Assignment (The Miami Marlins designated LHP John King for assignment.) | |
| 8/23/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Jack Ralston from the minors.) | |
| 8/22/2026 | 1B | Recalled From Minors Rehab (The Miami Marlins recalled INF Deyvison De Los Santos from the minors.) | |
| 8/22/2026 | C | Sent to Minors (The Miami Marlins optioned C Logan Driscoll to the minors.) | |
| 8/21/2026 | C | Recalled From Minors Rehab (The Miami Marlins selected the contract of C Logan Driscoll from the minors.) | |
| 8/21/2026 | RP | Placed on 60-Day IL (The Miami Marlins placed RHP William Kempner on the 60-day injured list.) | |
| 8/21/2026 | 3B | Sent to Minors (The Miami Marlins optioned INF Graham Pauley to the minors.) | |
| 8/19/2026 | C | Traded (The Tampa Bay Rays traded C Logan Driscoll to the Miami Marlins.) From Tampa Bay | |
| 8/11/2026 | 1B | Placed on 10-Day IL (The Miami Marlins placed INF Kyle Stowers on the 10-day injured list.) | |
| 8/11/2026 | 3B | Recalled From Minors Rehab (The Miami Marlins recalled INF Graham Pauley from the minors.) | |
| 8/10/2026 | RP | Claimed on Unconditional Release Waivers (The Miami Marlins claimed RHP Wikelman González off waivers from the Chicago White Sox and optioned him to the minors.) From Chi White Sox | |
| 8/5/2026 | SS | Traded (The Miami Marlins traded INF Adrian Santana to the Tampa Bay Rays.) To Tampa Bay | |
| 8/5/2026 | 1B | Traded (The Miami Marlins traded INF Jacob Berry to the Kansas City Royals.) To Kansas City | |
| 8/4/2026 | RP | Activated (The Miami Marlins activated RHP Victor Vodnik.) | |
| 8/4/2026 | DH | Recalled From Minors Rehab (The Miami Marlins recalled C Agustín Ramírez from the minors.) | |
| 8/4/2026 | RP | Activated (The Miami Marlins activated RHP Josh Ekness from the 60-day injured list.) | |
| 8/3/2026 | SP | Sent to Minors (The Miami Marlins optioned LHP Dax Fulton to the minors.) | |
| 8/3/2026 | RP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP Jack Ralston from the minors.) | |
| 8/3/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Jack Ralston to the minors.) | |
| 8/3/2026 | RP | Traded (The Miami Marlins traded RHP Aiden May to the Colorado Rockies.) To Colorado | |
| 8/3/2026 | 2B | Traded (The Miami Marlins traded INF Connor Norby to the Colorado Rockies.) To Colorado | |
| 8/3/2026 | SS | Traded (The Pittsburgh Pirates traded INF Hyun Seung Lee to the Miami Marlins.) From Pittsburgh | |
| 8/3/2026 | LF | Traded (The Pittsburgh Pirates traded OF Brian Sanchez to the Miami Marlins.) From Pittsburgh | |
| 8/3/2026 | RP | Traded (The Pittsburgh Pirates traded RHP Brandan Bidois to the Miami Marlins.) From Pittsburgh | |
| 8/3/2026 | RP | Traded (The Miami Marlins traded RHP Lake Bachar to the Pittsburgh Pirates.) To Pittsburgh | |
| 8/3/2026 | RP | Traded (The Colorado Rockies traded RHP Victor Vodnik to the Miami Marlins.) From Colorado | |
| 8/3/2026 | RF | Traded (The Miami Marlins traded OF Rece Hinds to the Baltimore Orioles.) To Baltimore | |
| 8/3/2026 | SP | Traded (The Miami Marlins traded LHP Braxton Garrett to the Chicago Cubs.) To Chi Cubs | |
| 8/3/2026 | C | Traded (The Miami Marlins traded C Liam Hicks to the Tampa Bay Rays.) To Tampa Bay | |
| 8/3/2026 | 1B | Traded (The Chicago Cubs traded INF Jonathon Long to the Miami Marlins.) From Chi Cubs | |
| 8/3/2026 | SP | Traded (The Tampa Bay Rays traded RHP Jacob Kisting to the Miami Marlins.) From Tampa Bay | |
| 8/3/2026 | SS | Traded (The Tampa Bay Rays traded INF Adrian Santana to the Miami Marlins.) From Tampa Bay | |
| 8/3/2026 | SP | Traded (The Chicago Cubs traded RHP Jace Beck to the Miami Marlins.) From Chi Cubs | |
| 8/3/2026 | 3B | Traded (The Tampa Bay Rays traded INF Brayden Taylor to the Miami Marlins.) From Tampa Bay | |
| 8/1/2026 | 3B | Sent to Minors (The Miami Marlins optioned INF Graham Pauley to the minors.) | |
| 8/1/2026 | RF | Activated (The Miami Marlins activated OF Owen Caissie from the 10-day injured list.) | |
| 7/20/2026 | SP | Placed on 15-Day IL (The Miami Marlins placed RHP Max Meyer on the 15-day injured list.) | |
| 7/20/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Zach Brzykcy from the minors.) | |
| 7/19/2026 | 3B | Signed (The Miami Marlins signed draft pick INF Nic Tolbert.) | |
| 7/19/2026 | SP | Signed (The Miami Marlins signed draft pick RHP Ryan Peterson.) | |
| 7/19/2026 | SP | Signed (The Miami Marlins signed draft pick LHP Ethan Kleinschmit.) | |
| 7/19/2026 | RF | Sent to Minors (The Miami Marlins optioned OF Rece Hinds to the minors.) | |
| 7/19/2026 | 3B | Recalled From Minors Rehab (The Miami Marlins recalled INF Graham Pauley from the minors.) | |
| 7/13/2026 | SP | Drafted (The Miami Marlins drafted RHP Zach Peters.) | |
| 7/12/2026 | 3B | Drafted (The Miami Marlins drafted INF Eric Guevara.) | |
| 7/12/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Dax Fulton from the minors.) | |
| 7/12/2026 | SP | Drafted (The Miami Marlins drafted RHP Cole Selvig.) | |
| 7/12/2026 | SP | Drafted (The Miami Marlins drafted LHP Trey Beard.) | |
| 7/12/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed RHP William Kempner on the 15-day injured list.) | |
| 7/11/2026 | CF | Drafted (The Miami Marlins drafted OF Wessley Roberson.) | |
| 7/11/2026 | 2B | Drafted (The Miami Marlins drafted INF Cam Kozeal.) | |
| 7/11/2026 | SS | Drafted (The Miami Marlins drafted INF Jacob Lombard.) | |
| 7/11/2026 | SP | Drafted (The Miami Marlins drafted LHP Ethan Kleinschmit.) | |
| 7/11/2026 | SP | Drafted (The Miami Marlins drafted RHP Ryan Peterson.) | |
| 7/9/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Zach Brzykcy to the minors.) | |
| 7/9/2026 | RF | Placed on 10-Day IL (The Miami Marlins placed OF Owen Caissie on the 10-day injured list.) | |
| 7/9/2026 | RF | Recalled From Minors Rehab (The Miami Marlins recalled OF Rece Hinds from the minors.) | |
| 7/9/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed LHP John King on the 15-day injured list.) | |
| 7/9/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Ryan Gusto from the minors.) | |
| 7/9/2026 | SP | Activated (The Miami Marlins activated RHP Janson Junk from the 15-day injured list.) | |
| 7/3/2026 | SP | Sent to Minors (The Miami Marlins optioned RHP Ryan Gusto to the minors.) | |
| 7/3/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP William Kempner from the minors.) | |
| 6/30/2026 | 3B | Sent to Minors (The Miami Marlins optioned INF Graham Pauley to the minors.) | |
| 6/30/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed RHP Anthony Bender on the 15-day injured list.) | |
| 6/30/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Zach Brzykcy from the minors.) | |
| 6/30/2026 | C | Activated (The Miami Marlins activated C Liam Hicks from the 10-day injured list.) | |
| 6/26/2026 | 1B | Released (The Miami Marlins released INF Christopher Morel.) | |
| 6/26/2026 | 3B | Recalled From Minors Rehab (The Miami Marlins recalled INF Graham Pauley from the minors.) | |
| 6/25/2026 | 1B | Sent to Minors (The Miami Marlins sent INF Christopher Morel outright to the minors.) | |
| 6/25/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Zach Brzykcy to the minors.) | |
| 6/25/2026 | SP | Activated (The Miami Marlins activated RHP Max Meyer from the bereavement list.) | |
| 6/25/2026 | 2B | Sent to Minors (The Miami Marlins optioned INF Connor Norby to the minors.) | |
| 6/24/2026 | SP | Sent to Minors (The Miami Marlins optioned LHP Dax Fulton to the minors.) | |
| 6/24/2026 | SP | Activated (The Miami Marlins activated RHP Eury Pérez from the 15-day injured list.) | |
| 6/22/2026 | SP | Placed on Bereavement/Family Medical Emergency List (The Miami Marlins placed RHP Max Meyer on the bereavement list.) | |
| 6/22/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Zach Brzykcy from the minors.) | |
| 6/21/2026 | RP | Placed on 60-Day IL (The Miami Marlins transferred RHP Josh Ekness to the 60-day injured list with a right calf strain.) | |
| 6/21/2026 | RF | Activated (The Miami Marlins activated OF Griffin Conine from the 60-day injured list.) | |
| 6/21/2026 | C | Recalled From Minors Rehab (The Miami Marlins selected the contract of INF Brian Navarreto from the minors.) | |
| 6/21/2026 | C | Placed on 10-Day IL (The Miami Marlins placed C Liam Hicks on the 10-day injured list.) | |
| 6/21/2026 | 1B | Designated for Assignment (The Miami Marlins designated INF Christopher Morel for assignment.) | |
| 6/17/2026 | CF | Released (The Miami Marlins released OF Eric Rataczak.) | |
| 6/17/2026 | 3B | Released (The Miami Marlins released INF Michael Snyder.) | |
| 6/16/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP William Kempner to the minors.) | |
| 6/16/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Dax Fulton from the minors.) | |
| 6/12/2026 | RP | Signed (The Miami Marlins signed RHP Zach Pop to a minor league contract.) | |
| 6/3/2026 | RP | Signed (The Miami Marlins signed RHP Josh Hejka to a minor league contract.) | |
| 6/2/2026 | SS | Released (The Miami Marlins released INF Cody Morissette.) | |
| 6/2/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Ryan Gusto from the minors.) | |
| 6/2/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Zach Brzykcy to the minors.) | |
| 6/1/2026 | RP | Placed on 60-Day IL (he Miami Marlins transferred LHP Andrew Nardi from the 15-day injured list to the 60-day injured list.) | |
| 6/1/2026 | RP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP Zach Brzykcy from the minors.) | |
| 6/1/2026 | RF | Placed on 60-Day IL (he Miami Marlins transferred OF Griffin Conine from the 10-day injured list to the 60-day injured list.) | |
| 6/1/2026 | SP | Sent to Minors (The Miami Marlins optioned RHP Josh White to the minors.) | |
| 6/1/2026 | RP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP Tyler Zuber from the minors.) | |
| 6/1/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed RHP Josh Ekness on the 15-day injured list.) | |
| 5/31/2026 | SP | Placed on 15-Day IL (The Miami Marlins placed RHP Janson Junk on the 15-day injured list.) | |
| 5/31/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Josh White from the minors.) | |
| 5/30/2026 | RP | Placed on 15-Day IL (The Miami Marlins placed LHP Andrew Nardi on the 15-day injured list.) | |
| 5/30/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP William Kempner from the minors.) | |
| 5/29/2026 | SP | Placed on 15-Day IL (The Miami Marlins placed RHP Eury Pérez on the 15-day injured list.) | |
| 5/29/2026 | 3B | Sent to Minors (The Miami Marlins optioned INF Graham Pauley to the minors.) | |
| 5/29/2026 | 3B | Activated (The Miami Marlins activated INF Leo Jiménez from the 7-day injured list.) | |
| 5/29/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Josh Ekness from the minors.) | |
| 5/28/2026 | RP | Signed (The Miami Marlins signed RHP Amos Willingham to a minor league contract.) | |
| 5/21/2026 | SP | Placed on 60-Day IL (The Miami Marlins transferred LHP Robby Snelling from the 15-day injured list to the 60-day injured list.) | |
| 5/21/2026 | 3B | Recalled From Minors Rehab (The Miami Marlins recalled INF Graham Pauley from the minors.) | |
| 5/21/2026 | RF | Traded (The Cincinnati Reds traded OF Rece Hinds to the Miami Marlins.) From Cincinnati | |
| 5/21/2026 | 3B | Placed on 7-Day IL (The Miami Marlins placed INF Leo Jiménez on the 7-day injured list.) | |
| 5/21/2026 | SP | Traded (The Miami Marlins traded RHP Zach McCambley to the Cincinnati Reds.) To Cincinnati | |
| 5/20/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Cade Gibson from the minors.) | |
| 5/14/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Braxton Garrett from the minors.) | |
| 5/14/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Josh Ekness to the minors.) | |
| 5/13/2026 | RP | Activated (The Miami Marlins activated RHP Pete Fairbanks from the 15-day injured list.) | |
| 5/13/2026 | SP | Placed on 15-Day IL (The Miami Marlins placed LHP Robby Snelling on the 15-day injured list.) | |
| 5/10/2026 | SP | Released (The Miami Marlins released RHP Chris Paddack.) | |
| 5/10/2026 | RP | Sent to Minors (The Miami Marlins sent RHP Stephen Jones outright to the minors.) | |
| 5/8/2026 | SP | Recalled From Minors Rehab (The Miami Marlins selected the contract of LHP Robby Snelling from the minors.) | |
| 5/8/2026 | RP | Designated for Assignment (The Miami Marlins designated RHP Stephen Jones for assignment.) | |
| 5/7/2026 | LF | Recalled From Minors Rehab (The Miami Marlins recalled OF Heriberto Hernández from the minors.) | |
| 5/7/2026 | SP | Sent to Minors (The Miami Marlins optioned LHP Dax Fulton to the minors.) | |
| 5/7/2026 | 3B | Sent to Minors (The Miami Marlins optioned INF Graham Pauley to the minors.) | |
| 5/7/2026 | RP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP Stephen Jones from the minors.) | |
| 5/6/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled LHP Dax Fulton from the minors.) | |
| 5/6/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP William Kempner to the minors.) | |
| 5/5/2026 | RP | Recalled From Minors Rehab (The Miami Marlins recalled RHP William Kempner from the minors.) | |
| 5/5/2026 | SP | Designated for Assignment (The Miami Marlins designated RHP Chris Paddack for assignment.) | |
| 5/4/2026 | DH | Sent to Minors (The Miami Marlins optioned C Agustín Ramírez to the minors.) | |
| 5/4/2026 | C | Recalled From Minors Rehab (The Miami Marlins selected the contract of C Joe Mack from the minors.) | |
| 5/2/2026 | RP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP Josh Ekness from the minors.) | |
| 5/2/2026 | RP | Sent to Minors (The Miami Marlins optioned LHP Cade Gibson to the minors.) | |
| 4/27/2026 | 1B | Activated (The Miami Marlins activated OF Christopher Morel from the 10-day injured list.) | |
| 4/27/2026 | LF | Sent to Minors (The Miami Marlins optioned OF Heriberto Hernández to the minors.) | |
| 4/26/2026 | RP | Signed (The Miami Marlins signed RHP Mason Vinyard to a minor league contract.) | |
| 4/23/2026 | RF | Activated (The Miami Marlins activated OF Esteury Ruiz from the 10-day injured list.) | |
| 4/22/2026 | RF | Designated for Assignment (The Miami Marlins designated OF Austin Slater for assignment.) | |
| 4/20/2026 | SS | Sent to Minors (The Miami Marlins activated INF Maximo Acosta from the 10-day injured list and optioned him to the minors.) | |
| 4/19/2026 | 1B | Sent to Minors (The Miami Marlins optioned INF Deyvison De Los Santos to the minors.) | |
| 4/19/2026 | 1B | Activated (The Miami Marlins activated OF Kyle Stowers from the 10-day injured list.) | |
| 4/17/2026 | CF | Released (The Miami Marlins released OF Mark Coley.) | |
| 4/10/2026 | 1B | Recalled From Minors Rehab (The Miami Marlins recalled INF Deyvison De Los Santos from the minors.) | |
| 4/10/2026 | RF | Placed on 10-Day IL (The Miami Marlins placed OF Griffin Conine on the 10-day injured list.) | |
| 4/9/2026 | SP | Sent to Minors (The Miami Marlins optioned RHP Ryan Gusto to the minors.) | |
| 4/9/2026 | RP | Activated (The Miami Marlins activated RHP Pete Fairbanks from the paternity list.) | |
| 4/7/2026 | CF | Released (The Miami Marlins released OF Daniel Johnson.) | |
| 4/6/2026 | SP | Recalled From Minors Rehab (The Miami Marlins recalled RHP Ryan Gusto from the minors.) | |
| 4/6/2026 | RP | Placed on Paternity Leave List (The Miami Marlins placed RHP Pete Fairbanks on the Paternity Leave list.) | |
| 4/2/2026 | RP | Traded (The Miami Marlins traded RHP Garrett Acton to the Minnesota Twins.) To Minnesota | |
| 4/2/2026 | SP | Traded (The Minnesota Twins traded RHP Logan Whitaker to the Miami Marlins.) From Minnesota | |
| 3/30/2026 | 1B | Sent to Minors (The Miami Marlins optioned INF Deyvison De Los Santos to the minors.) | |
| 3/30/2026 | 3B | Recalled From Minors Rehab (The Miami Marlins selected the contract of INF Leo Jiménez from the minors.) | |
| 3/29/2026 | 3B | Traded (The Miami Marlins traded INF Dub Gleed to the Toronto Blue Jays.) To Toronto | |
| 3/29/2026 | 3B | Traded (The Toronto Blue Jays traded INF Leo Jiménez to the Miami Marlins.) From Toronto | |
| 3/28/2026 | 1B | Placed on 10-Day IL (The Miami Marlins placed OF Christopher Morel on the 10-day injured list.) | |
| 3/28/2026 | 1B | Recalled From Minors Rehab (The Miami Marlins recalled INF Deyvison De Los Santos from the minors.) | |
| 3/27/2026 | SS | Released (The Miami Marlins released INF Yiddi Cappe.) | |
| 3/27/2026 | RF | Released (The Miami Marlins released OF Jose Gerardo.) | |
| 3/25/2026 | RF | Placed on 10-Day IL (The Miami Marlins placed OF Esteury Ruiz on the 10-day injured list.) | |
| 3/25/2026 | 1B | Placed on 10-Day IL (The Miami Marlins placed OF Kyle Stowers on the 10-day injured list.) | |
| 3/25/2026 | SP | Placed on 60-Day IL (The Miami Marlins placed RHP Adam Mazur on the 60-day injured list.) | |
| 3/25/2026 | SS | Placed on 10-Day IL (The Miami Marlins placed INF Maximo Acosta on the 10-day injured list.) | |
| 3/24/2026 | SP | Sent to Minors (The Miami Marlins outrighted RHP Zach McCambley to the minors.) | |
| 3/23/2026 | RP | Released (The Miami Marlins released RHP Chase Centala.) | |
| 3/22/2026 | SP | Other Transaction (The Philadelphia Phillies returned RHP Zach McCambley to the Miami Marlins.) From Philadelphia | |
| 3/22/2026 | RP | Sent to Minors (The Miami Marlins optioned LHP Cade Gibson to the minors.) | |
| 3/22/2026 | RP | Sent to Minors (The Miami Marlins sent RHP Tyler Zuber to the minors.) | |
| 3/20/2026 | SP | Sent to Minors (The Miami Marlins optioned LHP Braxton Garrett to the minors.) | |
| 3/16/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP Garrett Acton to the minors.) | |
| 3/16/2026 | SP | Sent to Minors (The Miami Marlins optioned RHP Bradley Blalock to the minors.) | |
| 3/15/2026 | C | Sent to Minors (The Miami Marlins optioned C Joe Mack to the minors.) | |
| 3/15/2026 | SP | Sent to Minors (The Miami Marlins optioned RHP Ryan Gusto to the minors.) | |
| 3/14/2026 | C | Sent to Minors (The Miami Marlins sent C Ryan Ignoffo to the minors.) | |
| 3/8/2026 | RP | Sent to Minors (The Miami Marlins sent RHP Nigel Belgrave to the minors.) | |
| 3/8/2026 | RP | Sent to Minors (The Miami Marlins optioned RHP William Kempner to the minors.) | |
| 3/8/2026 | SP | Sent to Minors (The Miami Marlins optioned RHP Josh White to the minors.) | |
| 3/8/2026 | 1B | Sent to Minors (The Miami Marlins sent INF Dylan Jasso to the minors.) | |
| 3/8/2026 | 1B | Sent to Minors (The Miami Marlins optioned INF Deyvison De Los Santos to the minors.) | |
| 3/8/2026 | SP | Sent to Minors (The Miami Marlins optioned LHP Dax Fulton to the minors.) | |
| 3/8/2026 | 2B | Sent to Minors (The Miami Marlins optioned INF Jared Serna to the minors.) | |
| 2/16/2026 | SP | Traded (The Miami Marlins traded LHP Josh Simpson to the Seattle Mariners.) To Seattle | |
| 2/14/2026 | SP | Signed (The Miami Marlins signed RHP Jake Walkinshaw to a minor league contract and an invite to Spring Training.) | |
| 2/13/2026 | SP | Designated for Assignment (The Miami Marlins designated LHP Josh Simpson for assignment.) | |
| 2/12/2026 | RP | Placed on 60-Day IL (The Miami Marlins placed RHP Ronny Henriquez on the 60-day injured list.) | |
| 2/11/2026 | RP | Signed (The Miami Marlins signed LHP John King.) | |
| 2/9/2026 | SP | Signed (The Miami Marlins signed RHP Chris Paddack.) | |
| 2/6/2026 | SS | Traded (The Tampa Bay Rays traded INF Angel Brachi to the Miami Marlins.) From Tampa Bay | |
| 2/6/2026 | RF | Traded (The Miami Marlins traded OF Victor Mesa Jr. to the Tampa Bay Rays.) To Tampa Bay | |
| 2/3/2026 | RF | Designated for Assignment (The Miami Marlins designated OF Victor Mesa for assignment.) | |
| 2/3/2026 | RP | Claimed on Unconditional Release Waivers (The Miami Marlins claimed RHP Garrett Acton off waivers from the Colorado Rockies.) From Colorado | |
| 1/28/2026 | RP | Signed (The Miami Marlins signed RHP Stephen Jones to a minor league contract with an invitation to spring training.) | |
| 1/27/2026 | RP | Claimed on Unconditional Release Waivers (The Los Angeles Angels claimed RHP Osvaldo Bido off waivers from the Miami Marlins.) To LA Angels | |
| 1/22/2026 | C | Traded (The San Francisco Giants traded C Carlos Martinez to the Miami Marlins.) From San Francisco | |
| 1/20/2026 | SP | Traded (The Miami Marlins traded RHP Jake Brooks to the Colorado Rockies.) To Colorado | |
| 1/20/2026 | RP | Designated for Assignment (The Miami Marlins designated RHP Osvaldo Bido for assignment.) | |
| 1/20/2026 | SP | Traded (The Colorado Rockies traded RHP Bradley Blalock to the Miami Marlins.) From Colorado | |
| 1/16/2026 | RP | Claimed on Unconditional Release Waivers (The Miami Marlins claimed RHP Osvaldo Bido off waivers from the Tampa Bay Rays.) From Tampa Bay | |
| 1/14/2026 | CF | Signed (The Miami Marlins signed OF Daniel Johnson to a minor league contract with an invitation to spring training.) | |
| 1/14/2026 | 1B | Traded (The New York Yankees traded INF Dylan Jasso to the Miami Marlins.) From NY Yankees | |
| 1/14/2026 | CF | Traded (The New York Yankees traded OF Brendan Jones to the Miami Marlins.) From NY Yankees | |
| 1/14/2026 | SS | Traded (The New York Yankees traded INF Juan Matheus to the Miami Marlins.) From NY Yankees | |
| 1/14/2026 | CF | Traded (The New York Yankees traded OF Dillon Lewis to the Miami Marlins.) From NY Yankees | |
| 1/14/2026 | SP | Traded (The Miami Marlins traded LHP Ryan Weathers to the New York Yankees.) To NY Yankees | |
| 1/7/2026 | 3B | Traded (The Chicago Cubs traded INF Edgardo De Leon to the Miami Marlins.) From Chi Cubs | |
| 1/7/2026 | SS | Traded (The Chicago Cubs traded INF Cristian Hernandez to the Miami Marlins.) From Chi Cubs | |
| 1/7/2026 | RF | Traded (The Chicago Cubs traded OF Owen Caissie to the Miami Marlins.) From Chi Cubs | |
| 1/7/2026 | SP | Traded (The Miami Marlins traded RHP Edward Cabrera to the Chicago Cubs.) To Chi Cubs | |
| 1/2/2026 | RP | Traded (The Minnesota Twins traded LHP Kade Bragg to the Miami Marlins.) From Minnesota | |
| 1/2/2026 | 1B | Traded (The Miami Marlins traded INF Eric Wagaman to the Minnesota Twins.) To Minnesota | |
| 12/30/2025 | RF | Traded (The Los Angeles Dodgers traded OF Esteury Ruiz to the Miami Marlins.) From LA Dodgers | |
| 12/30/2025 | SP | Traded (The Miami Marlins traded RHP Adriano Marrero to the Los Angeles Dodgers.) To LA Dodgers | |
| 12/29/2025 | 1B | Designated for Assignment (The Miami Marlins designated INF Eric Wagaman for assignment.) | |
| 12/27/2025 | CF | Traded (The Cincinnati Reds traded OF Ethan O'Donnell to the Miami Marlins.) From Cincinnati | |
| 12/27/2025 | CF | Traded (The Miami Marlins traded OF Dane Myers to the Cincinnati Reds.) To Cincinnati | |
| 12/24/2025 | RP | Signed (The Miami Marlins signed RHP Pete Fairbanks.) | |
| 12/23/2025 | RF | Released (The Miami Marlins released OF Danny Gonzalez.) | |
| 12/15/2025 | C | Signed (The Miami Marlins signed C Brian Navarreto to a minor league contract.) | |
| 12/15/2025 | SS | Signed (The Miami Marlins signed INF Jesús Bastidas to a minor league contract.) | |
| 12/12/2025 | 1B | Signed (The Miami Marlins signed OF Christopher Morel.) | |
| 12/11/2025 | RP | Drafted Via Rule 5 (The Miami Marlins selected RHP Livan Reinoso in the Rule 5 Draft.) From LA Dodgers | |
| 12/10/2025 | RP | Drafted Via Rule 5 (The Miami Marlins selected RHP Jake Smith in the Rule 5 Draft.) | |
| 12/10/2025 | RP | Drafted Via Rule 5 (The St. Louis Cardinals selected RHP Matt Pushard in the Rule 5 Draft.) To St. Louis | |
| 12/10/2025 | SP | Drafted Via Rule 5 (The Philadelphia Phillies selected RHP Zach McCambley in the Rule 5 Draft.) To Philadelphia | |
| 12/5/2025 | RP | Sent to Minors (The Miami Marlins sent RHP Zach Brzykcy outright to the minors.) | |
| 11/26/2025 | RP | Signed (The Miami Marlins signed RHP Tyler Zuber to a minor league contract.) | |
| 11/21/2025 | RF | Traded (The Miami Marlins traded OF Joey Wiemer to the San Francisco Giants.) To San Francisco | |
| 11/20/2025 | RP | Signed (The Miami Marlins signed RHP Samuel Vasquez to a minor league contract with an invitation to spring training.) | |
| 11/19/2025 | RF | Designated for Assignment (The Miami Marlins designated OF Joey Wiemer for assignment.) | |
| 11/19/2025 | RP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP William Kempner from the minors.) | |
| 11/19/2025 | C | Recalled From Minors Rehab (The Miami Marlins selected the contract of C Joe Mack from the minors.) | |
| 11/19/2025 | SP | Recalled From Minors Rehab (The Miami Marlins selected the contract of RHP Josh White from the minors.) | |
| 11/7/2025 | RP | Declared Free Agency (Miami Marlins RHP Christian Roa declared free agency.) | |
| 11/6/2025 | SP | Activated (The Miami Marlins activated RHP Max Meyer from the 60-day injured list.) | |
| 11/6/2025 | RP | Sent to Minors (The Miami Marlins sent RHP Christian Roa outright to the minors.) | |
| 11/6/2025 | 2B | Sent to Minors (The Miami Marlins sent INF Jack Winkler outright to the minors.) | |
| 11/6/2025 | RP | Activated (The Miami Marlins activated LHP Andrew Nardi from the 60-day injured list.) | |
| 11/6/2025 | SP | Activated (The Miami Marlins activated LHP Braxton Garrett from the 60-day injured list.) | |
| 11/6/2025 | RP | Activated (The Miami Marlins activated RHP Anthony Bender from the 60-day injured list.) | |
| 11/6/2025 | RP | Claimed on Unconditional Release Waivers (The Miami Marlins claimed RHP Zach Brzykcy off waivers from the Washington Nationals.) From Washington | |
| 11/6/2025 | SP | Sent to Minors (The Miami Marlins sent RHP Valente Bellozo outright to the minors.) | |
| 11/6/2025 | RP | Activated (The Miami Marlins activated RHP Tyler Zuber from the 60-day injured list.) | |
| 11/6/2025 | RP | Sent to Minors (The Miami Marlins sent RHP Tyler Zuber outright to the minors.) | |
| 11/6/2025 | RP | Activated (The Miami Marlins activated RHP Jesus Tinoco from the 60-day injured list.) | |
| 11/6/2025 | RP | Sent to Minors (The Miami Marlins sent RHP Jesus Tinoco outright to the minors.) | |
| 11/5/2025 | SP | Sent to Minors (The Miami Marlins sent RHP Freddy Tarnok outright to the minors.) | |
| 11/5/2025 | C | Sent to Minors (The Miami Marlins sent C Brian Navarreto outright to the minors.) | |
| 11/5/2025 | RF | Claimed on Unconditional Release Waivers (The Colorado Rockies claimed OF Troy Johnston off waivers from the Miami Marlins.) To Colorado | |
| 11/5/2025 | RP | Claimed on Unconditional Release Waivers (The Baltimore Orioles claimed RHP George Soriano off waivers from the Miami Marlins.) To Baltimore |