Jermaine O'Neal had an MRI on his right knee on Saturday and did not practice. The results are expected on Sunday, and O'Neal was a game-time decision for the Celtics against the Memphis Grizzlies at noon EDT on Super Bowl Sunday.
One hour before the game, O'Neal confirmed to reporters that he would play on Sunday.
O'Neal suffered the knee injury in the Celtics' comeback win over the New York Knicks on Friday night. O'Neal played 20 minutes in the win Friday and finished with two points on 1-of-4 shooting to go along with four rebounds.
In 18 games this season, O'Neal is averaging 5.7 points and 5.2 rebounds for Boston. In his career, O'Neal has averaged 13.8 points, 7.4 rebounds and 1.9 blocks with the Celtics, Heat, Raptors, Pacers and Trail Blazers in 17 NBA seasons. His best season came in the 2003-2004 campaign, in which he averaged 20.1 points and 10.0 rebounds in 78 games.