Bigs who left the Boston Celtics in the summer of 2025: Al Horford , Kristaps Porziņģis, Luke Kornet .

Bigs who play for the Celtics now: Chris Boucher , Neemias Queta , Xavier Tillman , Luka Garza , Amari Williams .

Any idea who will start at center? Team president Brad Stevens "can't predict it," he said Monday . Boucher is the most accomplished of the bunch, but, with his frame, the gig might be more of a punishment than a prize. Then again, in Joe Mazzulla's world, punishment is a prize. He'll have you running because you won a drill, per Derrick White's podcast .

For Boston's "unproven players," as Stevens called them, this season is anything but a gap year, regardless of whether or not Jayson Tatum makes an unprecedented comeback. Minutes are up for gra

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