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Celtics Nightly Desk · transactions · Monday, September 14

Devin Carter Joins the Boston Celtics

Free agentBoston Celtics
Devin Carter
Devin Carter
G · 24 · 2 seasons · 8.9 ppg 2025-26
The move
Joins the Celtics
official roster · Sep 14, 2026
2026-27 cap hit
$5.16M
2 seasons on the books through 2027-28
Celtics payroll
$201.4M
in the tax · cap $165.0M · tax $200.4M
Roster
21 players
standard limit 15 + 3 two-way
By the Celtics Nightly Desk · 6 h ago

Devin Carter is on the roster for the Boston Celtics as of Monday, Sept. 14. The move follows a Friday report that the Celtics were interested in the 24-year-old guard.

The move

Devin Carter, a 24-year-old guard with two seasons of experience, is on the roster for the Boston Celtics as of Monday, Sept. 14, per the official roster. He was previously in free agency, off any roster. The move follows a Friday, Sept. 11 report from Jake Fischer, "Celtics Reportedly Interested In Devin Carter," carrying 75% confidence. How he joined the roster is not announced.

The money

Carter is on the books for $5.2 million in 2026-27 and $7.4 million in 2027-28, according to his contract on file. The Celtics carry a payroll of $201.4 million across 16 contracts for 2026-27, over the luxury tax. The salary cap is set at $165.0 million, the tax line at $200.4 million, the first apron at $209.0 million and the second apron at $221.7 million.

The fit

Carter averaged 8.9 points, 3.3 rebounds and 2.7 assists in 18.4 minutes across 38 games last season. The Celtics' rotation last season was led by Jaylen Brown at 34.4 minutes and 28.7 points, Derrick White at 34.1 minutes and 16.5 points, Jayson Tatum at 32.6 minutes and 21.8 points, Payton Pritchard at 32.3 minutes and 17.0 points, and Anfernee Simons at 24.5 minutes and 14.2 points. Neemias Queta, Sam Hauser and Nikola Vučević also logged minutes. The Celtics now carry 21 players on the roster, against a standard limit of 15 plus three two-way spots.

Was Devin Carter traded or signed by the Celtics?

Not announced. The move was detected from the official roster listing on Monday, Sept. 14.

What did reporting say before the move?

Jake Fischer reported on Friday, Sept. 11 that the Celtics were interested in Carter, at 75% confidence.

By the Celtics Nightly Desk, from the data on this page, rewritten when the data changes. How the desks work.
The report that came first · Fri, Sep 11
Jake Fischer · confidence 75% · confirmed by the roster
2026-27$5.16M
2027-28$7.37M

Celtics rotation

tracker →
Derrick White34.1 min · 16.5 pts
Jayson Tatum32.6 min · 21.8 pts
Payton Pritchard32.3 min · 17.0 pts
Paul George30.7 min · 17.3 pts
Neemias Queta25.3 min · 10.2 pts
Sam Hauser24.8 min · 9.2 pts

Moves are detected from the official rosters, so the mechanism (trade, signing, waiver claim, two-way conversion) comes from the linked report when there is one. Salary figures are cap hits from public salary data.