Four items in this month's reporting carry confidence scores, and the two most concrete, Devin Carter's arrival and Caleb Grill's brief camp stay, are already finished business with no further detail attached. Pritchard, Tatum and George turn up instead in beat notes roundups, five mentions combined across the past two weeks, and not one of them carries a source, a figure, or a claim beyond the name itself.

The interest report already became a signing.
Jake Fischer flagged Boston's interest in Devin Carter on September 11 with a confidence score of 75, the highest of the batch and marked confirmed. Three days later Carter joined the roster, and hoopsrumors filed its own item on the signing; that second report sits at a lower 36, still logged as open despite the outcome.
A training camp contract opened and closed inside a day.
Paul Garcia's report on Caleb Grill's training camp deal carries a 41, roughly the middle of this batch. Grill signed September 14 and left the team September 15, and he is no longer on the roster. A September 12 roundup had already flagged an open two-way contract for Boston, and no candidate has been named since; Grill's brief stay did not fill it.
The weakest score belonged to a move already reversed.
Boston signed and waived Hank Morgan on September 11, a report logged at 32 confidence, the lowest number here. Fitting, for a transaction that added nothing to the roster by the next morning.
Three names circulate with no report attached.
Payton Pritchard, Jayson Tatum and Paul George have each surfaced in beat notes roundups multiple times this month, Pritchard on the 12th, 14th and 19th, Tatum on the 12th and 18th, George on the 16th and 19th, without a single confidence score, source or claim among them. Boston's payroll sits at $203.9M against a $200.4M threshold, room enough for camp fliers, not for a swing at anything larger.
Did the Celtics actually sign Devin Carter?
Yes. Jake Fischer reported interest on September 11, and Carter joined the roster on September 14.
Are there any real trade rumors involving Pritchard, Tatum or George?
No. All three have appeared in beat notes roundups this month, but none of those mentions carries a source or a specific claim.
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Morning · Tue, Sep 22Shulga Is Gone, and So Is the Lineup That Worked Best
Around the beat · Mon, Sep 21What the Beat Is Debating as Camp Opens
Player focus · Mon, Sep 21What Sixteen Games Told Us About Tatum, and What They Didn't
Morning · Mon, Sep 21A Preseason Schedule Arrives, With Philadelphia Twice On It
The big question · Sun, Sep 20Pritchard's Name Keeps Surfacing. No One Says Why.