Caleb Grill joined the Celtics on September 15 and left the roster on September 16, a one-day stay that changes nothing structural. Boston's camp otherwise holds steady at $201.4M in roster cost, above the $200.4M tax threshold, with six weeks until the regular season opener.
A camp deal opened and closed within a day.
Caleb Grill signed a training camp contract with Boston on September 15 and was off the roster by September 16, the same 24-hour window that carried real signings for Devin Carter and, days earlier, Hank Morgan. Camp rosters run through many names in September; Grill's is now one of them, without further detail on the move.
The knee timeline and the preseason opener overlap by a week.
Jayson Tatum's knee update points to an October 1 target, more than a week before Boston opens the preseason on October 8 at Cleveland. The gap does not confirm he plays the opener; it only means the calendar allows it.
The tax bill is bigger than any camp move.
Boston's 16 contracts total $201.4M, a million over the $200.4M tax threshold and closing on the $209.0M first apron. Grill's departure and Carter's arrival do not move that number; the core five — Tatum, Paul George, Derrick White, Mitchell Robinson, Sam Hauser — set it.
The schedule is now the clearest thing about this team.
Boston opens the preseason October 8 at Cleveland, then hosts Philadelphia on October 10, the first meeting since last season's playoff exit, before the regular season begins October 20 at Detroit on NBC/Peacock. Everything before then is roster paperwork.
Is Jayson Tatum expected to play in the preseason opener?
No date has been confirmed. His return target of October 1 falls before the October 8 preseason opener at Cleveland, but no game has been set for his debut.
How far above the tax threshold are the Celtics?
Boston's roster cost is $201.4M, about $1M over the $200.4M threshold, with the $209.0M first apron the next line to watch.
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Around the beat · Tue, Sep 15Two September Signings, and a Beat Getting Ahead of the File
Player focus · Tue, Sep 15Derrick White's Best Lineups Ran Through a Player Boston Traded Away
Morning · Tue, Sep 15Camp Fills In: Grill, Carter Join a Roster Still Waiting on Tatum
Morning · Mon, Sep 14The Calendar Firms Up Before the Roster Does
Cap watch · Sun, Sep 13Above the Line, Below the Apron
The big question · Sun, Sep 13The Big Question: Can Tatum and George Get Boston Past Philadelphia