Joe Mazzulla emphasizes off-court habits of Celtics training camp invitees
Yahoo Sports • 1 min read • Latest: Oct 1, 2026, 10:15 PM
Last updated Oct 1, 2026

Boston Celtics head coach Joe Mazzulla highlighted the importance of off-court professionalism for his training camp invitees during a recent practice on October 1. With a full roster of 21 players, the evaluation process has begun well ahead of the camp, which will assess both talent and work ethic. Mazzulla noted that players such as Devin Carter, Hayden Gray, Milos Uzan, and Tucker DeVries have been dedicated to their training, preparing for potential roles with the Celtics, the Maine Celtics, or other leagues. The continuous evaluation of these players will carry on throughout the training camp period.
- •Joe Mazzulla values professionalism and habits in player evaluations.
- •21-man roster is currently preparing for the upcoming season.
- •Training camp invites include players under Exhibit 10 or Exhibit 9 contracts.
- •Mazzulla commended the hard work of players leading up to camp.
- •Evaluation will continue through the training camp period.
- 10:15 PMYahoo Sports — To Joe Mazzulla, what Boston Celtics camp invitees do off the court matters as well
""(The) evaluation process goes beyond training camp and more just into the professionalism and the habits and the things that they do," said Mazzulla.
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