When will Boston Celtics fill their final open roster spot?

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When will Boston Celtics fill their final open roster spot?

Brian Robb · MassLive

Tue, Apr 7, 2026 ·

2 min read

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The Celtics have just under a week remaining in the regular season but still have a little bit of work to do with their roster construction as the postseason approaches.

Boston ’s front office has masterfully navigated the roster for the past few months, hitting on their free agent and trade additions while trimming salary to dodge the luxury tax and second apron this season. All of that work opens the door now for the team to sign a 15th man to the roster for the postseason while still staying under the tax line. That signing could come as soon as Saturday, April 11, which would open the door for the player to be available for Boston on the final day of the season, if the team rests its regulars.

Brad Stevens has already added three former two-way players to the roster recently in Amari Williams , Max Shulga , and Ron Harper Jr. so there will be a thin pool of candidates to join Boston if the team elects to bring someone in with experience with this year’s roster.

One obvious name would be two-way forward John Tonje has been with the team since the trade deadline. Boston could also elect to bring back point guard Dalano Banton , who signed a 10-day deal with the team back in February. He also spent time with the team during the 2023-24 championship season before he was traded to the Blazers.

One familiar face who won’t finish the year with Boston is Charles Bassey , who signed for the remainder of the year with the Warriors on Sunday. His need in Boston for depth was limited though after Nikola Vucevic was cleared to return from his finger injury on Sunday.

The Celtics have the option of adding a promising player in the G-League as well if they want to get an early look at a player before next season and also potentially in Summer League. However, the team has leaned towards bringing guys in all season they are familiar with (Bassey, Banton, two-ways) so it would not be a surprise for that trend to continue this weekend.

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