Coach Joe Mazzulla confirmed Friday that Boston has no injuries to report before Saturday's winner-take-all game at TD Garden after Tatum experienced left-leg stiffness in Game 6.
Tatum briefly went to the locker room, did not return after leaving late in the third quarter, and finished Thursday's 106-93 loss in Philadelphia with 17 points and 11 rebounds.
The forward said the issue affects his left leg, not the Achilles he tore last year. Since returning on 6 March, he has averaged 23.3 points, 10.7 rebounds and 6.8 assists this series.
Is Boston risking Jayson Tatum's future by playing him in a decisive Game 7 after his major Achilles surgery?
Will the Celtics' perfect record after leading 3-1 finally be broken by their historic rival, the Philadelphia 76ers?