Xavier Tillman Sr. is back, and he’s moving like a man reborn. After shedding 12 pounds and restoring his knee to full health, the 26-year-old big man is ready to remind the NBA why he’s a defensive force. Last season’s nagging knee injury turned his joint into a “balloon” after scrimmages, limiting his ability to contribute. But in Boston’s preseason opener against the Memphis Grizzlies, Tillman made it clear: that version of him is gone.

“This is a new me,” Tillman seemed to declare with every step on the court. The five-year veteran, who’s built a reputation for reliability in Memphis and Boston, used the offseason to rebuild his body and his game. “I come in each day, and I work my butt off,” Tillman told Hardwood Houdini during training camp. “It’s gonna pay off once I get my opportunities.” And pay off it did.
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In a 121-103 rout of the Grizzlies, Tillman returned to where his career began and delivered a performance that screamed, “I’m back!” The 6-foot-7 power forward/center showcased a leaner, meaner physique, with a bounce in his step that had been missing last season. His defensive mobility stole the show, proving he’s ready to lock down anyone from point guards to bigs.
One moment encapsulated his resurgence: Tillman flipped his hips to stay glued to Memphis’ Braxton Key on a drive, then swatted the ball away as Key tried to finesse a layup. It was a play that screamed defensive versatility, the kind Tillman promised when he told Hardwood Houdini, “You’ll see my defense come back again… I can really switch and guard one through five.” His healthy knee, now mechanically sound, has unlocked the nimble, switchable defender who once stonewalled Luka Doncic twice in Game 3 of the 2024 NBA Finals.
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But Tillman wasn’t just a defensive menace. He flashed his athleticism in a two-on-one fast break, snatching a lob from Josh Minott and throwing it down with a thunderous one-handed slam—a reminder of the explosiveness he couldn’t access last season. In 23 minutes, Tillman stuffed the stat sheet with seven points, five rebounds, two assists, a steal, and a block. More than the numbers, it was the way he moved—confident, eager, and disruptive—that turned heads.
For a Celtics team looking to dominate the glass and bolster their center rotation, Tillman’s performance was a beacon of promise. His ability to thrive in double-big lineups could be the answer to Boston’s rebounding concerns. This wasn’t just a preseason game; it was a statement. The haters who doubted Tillman after a tough, injury-riddled year? They’re quiet now. The work he put in is speaking for itself, and it’s only the beginning.