| Year | Team | G | GS | MPG | FG% | 3P% | FT% | OFF | DEF | RPG | APG | SPG | BPG | TO | PF | PPG |
| 2003-04 | Celtics | 10 | 0 | 3.5 | .533 | .000 | .667 | 0.5 | 0.9 | 1.4 | 0.3 | 0.0 | 0.2 | 0.5 | 0.6 | 2.2 |
| 2004-05 | Celtics | 60 | 3 | 9.1 | .471 | .000 | .638 | 0.9 | 2.1 | 2.9 | 0.4 | 0.2 | 0.6 | 0.7 | 1.6 | 2.5 |
| 2005-06 | Celtics | 68 | 40 | 19.6 | .515 | .000 | .615 | 2.1 | 3.9 | 5.9 | 1.0 | 0.3 | 1.5 | 1.6 | 2.9 | 5.2 |
| 2006-07 | Celtics | 72 | 53 | 21.9 | .491 | .000 | .600 | 1.6 | 3.6 | 5.2 | 1.3 | 0.3 | 1.3 | 1.6 | 3.0 | 4.5 |
| 2007-08 | Celtics | 78 | 78 | 24.5 | .615 | .000 | .623 | 1.9 | 4.2 | 6.1 | 1.1 | 0.4 | 1.5 | 1.6 | 3.1 | 6.9 |
| 2008-09 | Celtics | 76 | 76 | 29.7 | .577 | .000 | .600 | 2.7 | 5.5 | 8.1 | 1.3 | 0.3 | 2.0 | 2.2 | 3.3 | 8.5 |
| 2009-10 | Celtics | 78 | 78 | 27.6 | .602 | .000 | .582 | 2.0 | 5.6 | 7.6 | 1.0 | 0.3 | 1.7 | 2.1 | 2.8 | 10.1 |
| 2010-11 | Celtics | 12 | 24 | 26.2 | .542 | .000 | .575 | 1.9 | 6.2 | 8.1 | 0.8 | 0.2 | 0.8 | 2.1 | 3.1 | 7.3 |
| 2010-11 | Thunder | 17 | 24 | 25.2 | .493 | .000 | .531 | 2.3 | 5.6 | 7.9 | 0.9 | 0.4 | 0.9 | 1.8 | 3.2 | 5.1 |
| 2011-12 | Thunder | 65 | 61 | 26.8 | .489 | .000 | .652 | 1.8 | 4.7 | 6.6 | 1.2 | 0.4 | 1.1 | 1.8 | 2.9 | 5.1 |
| Totals: | 536 | 437 | 22.9 | .553 | .000 | .606 | 1.9 | 4.3 | 6.2 | 1.0 | 0.3 | 1.4 | 897 | 1511 | 6.2 | |