Highly touted Cardinals prospect excels in Peoria, follows path of past franchise legends

PEORIA — Rainiel Rodriguez idolized Albert Pujols when he was in grade school in Philadelphia and dreamed about following in his footsteps to Major League Baseball one day.

And here is Rodriguez in the spring of 2026, in Peoria at Dozer Park, a Peoria Chiefs catcher and the youngest player in high-A baseball seemingly on that same path from which Pujols got his start toward a Hall of Fame career 25 years ago.

"I signed with the St. Louis Cardinals because of Albert Pujols," Rodriguez said in early April as the Chiefs opened their 2026 Midwest League season. "He was my favorite player growing up, so the Cardinals became my favorite team.

"I loved how he could hit, how hard he worked, how exciting he was. I wanted to be that."

So when the Colorado Rockies tried to sign him as an international free agent he said no. When Arizona tried, he said no.

The Pimentel, Dominican Republic native experienced dozens of tryouts before he got a look from the Cardinals at their DR complex in 2024. They saw a pure hitter, a 17-year-old ripping line drives all over their complex.

They signed him for $300,000 on April Fool's Day of 2024.

In 2025, he hit 20 home runs in just 80 games between the Cardinals Florida Complex League team and their low-A club at Palm Beach.

He was 18 years old. He was throwing out 30% of base stealers.

The parent club Cardinals sent him to high-A Peoria this season, and the 19-year-old arrived as the No. 3 ranked prospect in St. Louis' system by MLB Pipeline and Baseball America. He is the No. 35 prospect in all of baseball, according to MLB and other evaluators.

Through late April, the Chiefs started 10-10, and Rodriguez, who homered on Opening Day, was second on the team with a .306 batting average and a team-best .966 OPS.

Philadelphia experiment

Rainiel Rodriguez was born in the DR, but his family moved to Philadelphia when he was 10, looking for a better life. They worked in restaurants, and his mother and father operated a food truck.

He followed his brother, Rahymin, into sandlot baseball.

"When I was 9 or 10, I was hitting 300-foot home runs," Rodriguez said. "Hitting is something I've always done."

He was 13 when he met Pujols through a family friend and talked to him.

Then when he was 16, the family decided to move back to the DR, and his MLB dream had to be pursued from within a sea of younger baseball prospects.

After he signed with the Cardinals, Rodriguez and his family moved back to Philadelphia.

Fast-forward to winter ball two years ago and he talked baseball with Pujols. This spring training, he met Yadier Molina and talked catching with the legendary Cardinals player for whom Peoria was also part of his path to the majors.

"Both of them basically said the same thing to me," Rodriguez said. "Work hard, stay focused, grind every day. I loved watching Molina catch, he really knows how to call a game. It was pretty awesome to watch him.

"I love catching, I've done it since I was in the DR. No one there ever wants to catch, so as a kid I decided I was going to do it. Because in the DR, if you catch you stay on the field."

The youngest player in the Midwest League

Rodriguez is 5-foot-10, 200 pounds of compact power, with bat speed that generated 104.2 exit velocity last season, ranking in the 90th percentile at Class A.

His 20 home runs in 2025 were the seventh-most among all minor-league catchers. Two years ago, he tore up the Dominican Summer League with a .683 slugging mark and 1.145 OPS.

Now he's at Peoria, where he is the youngest player in the three leagues that comprise the high-A level of the minors, earning that title by virtue of being five days younger than Red Sox outfield prospect Justin Gonzales (South Atlantic League).

The average age this season in the Midwest League is 23.1 as the 2026 season gets underway.

"It's not really hard, making transitions from league to league," Rodriguez said. "It's baseball. This is what I've been wanting to do since I was a kid."

Here are the youngest players in the high-A Midwest League, based on 2026 Opening Day rosters surveyed by Baseball America (player, position, team, parent club, age):

• Rainiel Rodriguez, c, Peoria (Cardinals), 19.2

• Luis Penam, ss , Wisconsin ( Brewers ), 19.4

• Ethan Dorchies, rhp, Wisconsin (Brewers), 19.4

• Yhoiker Fajardo, rhp, Peoria (Cardinals), 19.5

• David Shields, lhp, Quad Cities (Royals), 19.6

• Eduardo Tait , c, Cedar Rapids (Twins), 19.6

• Braylon Payne, of, Wisconsin (Brewers), 19.6

Rodriguez was a DSL mid-season and post-season All-Star in 2024. In 2025, he was a Florida State League post-season All-Star. He earned a place on Baseball America's Rookie Level Complex All-Star team, and he was an All-MiLB Prospect second-team selection.

He was rated by Baseball America as the best power hitter in the Cardinals system coming into 2026.

Philippians 4:13 and a kid's dream

Rodriguez swings a maple bat, sometimes uses a Torpedo model, and two weeks before the season started got some elaborate ink on his left arm, in part depicting a well-known bible verse from Philippians 4:13, "I can do all things through Christ who strengthens me."

He hopes, one day, that will include a major-league debut.

"My goal is to just maintain health, control what I can control, work every day and get out there and compete my best," Rodriguez said. "I've dreamed of a major-league debut all my life."

And what happens in that dream?

"I hit a home run," he said, grinning.

Dave Eminian is the Journal Star senior writer and sports columnist, and covers Bradley men's basketball, the Rivermen and Chiefs. He writes the Cleve In The Eve sports column for pjstar.com. He can be reached at deminian@pjstar.com. Follow him on X.com @icetimecleve.

This article originally appeared on Journal Star: Cardinals prospect is thriving in Peoria and living up to the hype