Boston Celtics sign two-way forward to main roster

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Boston Celtics sign two-way forward to main roster

Brian Robb · MassLive

Sat, Apr 4, 2026 ·

2 min read

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The Celtics are promoting Ron Harper Jr. to their 15-man roster ahead of the postseason, signing the two-way wing to a two-year deal, a league source confirmed to MassLive. ESPN was first to report the deal.

Boston was required to add a 14th player to their main roster today after Charles Bassey ’s 10-day contract expired on Friday. MassLive reported last month that Harper Jr. was expected to get a standard contract, and now Boston rewards the two-way wing while also making him eligible to play in the postseason.

Harper Jr. is averaging 3.4 points and 1.6 rebounds in 26 games this season but has had some promising performances while being given opportunities since the trade deadline. His role has declined in the past month due to the return of Jayson Tatum but the team has been very high on the 6-foot-5 forward who has also spent time with the Raptors and Pistons in his career before landing with Boston this year.

The Celtics also benefit from signing Harper Jr. by adding on a second year to his deal, which will give the team the flexibility to bring back Harper Jr. for next season. Signing him so late in the season will also allow Boston to stay under the luxury tax for the year. Harper Jr.’s cap hit will be $123,045 for the season. He becomes the third two-way player to be promoted to the main roster this year, with Amari Williams and Max Shulga already signed to the main roster.

The Celtics will be unable to fill his two-way slot until the offseason so that leaves John Tonje as the only two-way player left on the team’s roster.

Boston still has the flexibility to sign one more player as a 15th man for the postseason before the end of the regular season and still remain under the luxury tax. Charles Bassey figures to be a candidate for that slot, but Nikola Vucevic is set to return from his finger injury as soon as Sunday. Boston could opt for more depth at another position or address another need if an injury arises in the final week of the regular season.

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