A 22-year-old, 6-foot-7 wing who last played for St. John's, Luis went undrafted in 2025, and won Big East Player of the Year in his final NCAA season.

Boston Celtics President of Basketball Operations Brad Stevens could move on from Jordan Walsh's non-guaranteed contract in the future.

The Celtics traded Georges Niang to the Utah Jazz for two second-round picks and rookie RJ Luis Jr., ESPN’s Shams Charania reported Tuesday. This trade appears to be a win-win for both sides, with the teams heading in different directions for the 2025-26 season.