The Boston Celtics' jersey history is rich and varied, reflecting the legacy of numerous players who have donned the iconic green. With a total of 68 different jersey numbers used throughout its history, the franchise honors its past with 25 retired jerseys, celebrating some of the legends of the game.

Today, we focus on Xavier Tillman Sr., who currently wears number 26. A product of Michigan State, Tillman was selected 35th overall in the 2020 NBA Draft by the Sacramento Kings, but immediately found himself with the Memphis Grizzlies. After four seasons in Memphis, he was traded to the Celtics in 2024, where he continues to contribute to the team's efforts on the court.