Per Game Table | Season | Age | Tm | Lg | Pos | G | GS | MP | FG | FGA | FG% | 3P | 3PA | 3P% | 2P | 2PA | 2P% | eFG% | FT | FTA | FT% | ORB | DRB | TRB | AST | STL | BLK | TOV | PF | PTS |
| 2003-04 | 19 | DEN | NBA | SF | 82 | 82 | 36.5 | 7.6 | 17.9 | .426 | 0.8 | 2.6 | .322 | 6.8 | 15.3 | .444 | .449 | 5.0 | 6.4 | .777 | 2.2 | 3.8 | 6.1 | 2.8 | 1.2 | 0.5 | 3.0 | 2.7 | 21.0 |
| 2004-05 | 20 | DEN | NBA | SF | 75 | 75 | 34.8 | 7.1 | 16.4 | .431 | 0.6 | 2.1 | .266 | 6.5 | 14.3 | .455 | .448 | 6.1 | 7.6 | .796 | 1.9 | 3.8 | 5.7 | 2.6 | 0.9 | 0.4 | 3.0 | 3.1 | 20.8 |
| 2005-06 | 21 | DEN | NBA | SF | 80 | 80 | 36.8 | 9.5 | 19.7 | .481 | 0.5 | 1.9 | .243 | 9.0 | 17.8 | .506 | .493 | 7.2 | 8.9 | .808 | 1.5 | 3.4 | 4.9 | 2.7 | 1.1 | 0.5 | 2.7 | 2.9 | 26.5 |
| 2006-07 | 22 | DEN | NBA | SF | 65 | 65 | 38.2 | 10.6 | 22.4 | .476 | 0.6 | 2.3 | .268 | 10.0 | 20.1 | .499 | .489 | 7.1 | 8.7 | .808 | 2.2 | 3.8 | 6.0 | 3.8 | 1.2 | 0.4 | 3.6 | 3.1 | 28.9 |
| 2007-08 | 23 | DEN | NBA | SF | 77 | 77 | 36.4 | 9.5 | 19.2 | .492 | 0.8 | 2.1 | .354 | 8.7 | 17.1 | .509 | .511 | 6.0 | 7.7 | .786 | 2.3 | 5.1 | 7.4 | 3.4 | 1.3 | 0.5 | 3.3 | 3.3 | 25.7 |
| 2008-09 | 24 | DEN | NBA | SF | 66 | 66 | 34.5 | 8.1 | 18.3 | .443 | 1.0 | 2.6 | .371 | 7.2 | 15.7 | .455 | .469 | 5.6 | 7.1 | .793 | 1.6 | 5.2 | 6.8 | 3.4 | 1.1 | 0.4 | 3.0 | 3.0 | 22.8 |
| 2009-10 | 25 | DEN | NBA | SF | 69 | 69 | 38.2 | 10.0 | 21.8 | .458 | 0.9 | 2.7 | .316 | 9.1 | 19.1 | .478 | .478 | 7.4 | 8.9 | .830 | 2.2 | 4.4 | 6.6 | 3.2 | 1.3 | 0.4 | 3.0 | 3.3 | 28.2 |
| 2010-11 | 26 | TOT | NBA | SF | 77 | 77 | 35.7 | 8.9 | 19.5 | .455 | 1.2 | 3.3 | .378 | 7.6 | 16.3 | .470 | .487 | 6.6 | 7.9 | .838 | 1.5 | 5.8 | 7.3 | 2.9 | 0.9 | 0.6 | 2.7 | 2.9 | 25.6 |
| 2010-11 | 26 | DEN | NBA | SF | 50 | 50 | 35.5 | 8.7 | 19.3 | .452 | 0.8 | 2.5 | .333 | 7.9 | 16.8 | .470 | .474 | 6.9 | 8.3 | .823 | 1.5 | 6.1 | 7.6 | 2.8 | 0.9 | 0.6 | 2.8 | 2.7 | 25.2 |
| 2010-11 | 26 | NYK | NBA | SF | 27 | 27 | 36.2 | 9.1 | 19.9 | .461 | 2.0 | 4.6 | .424 | 7.2 | 15.2 | .472 | .510 | 6.1 | 7.0 | .872 | 1.5 | 5.2 | 6.7 | 3.0 | 0.9 | 0.6 | 2.4 | 3.3 | 26.3 |
| 2011-12 | 27 | NYK | NBA | SF | 55 | 55 | 34.1 | 8.0 | 18.6 | .430 | 1.2 | 3.7 | .335 | 6.8 | 14.9 | .454 | .463 | 5.4 | 6.7 | .804 | 1.6 | 4.7 | 6.3 | 3.6 | 1.1 | 0.4 | 2.6 | 2.8 | 22.6 |
| 2012-13 | 28 | NYK | NBA | PF | 67 | 67 | 37.0 | 10.0 | 22.2 | .449 | 2.3 | 6.2 | .379 | 7.6 | 16.0 | .476 | .502 | 6.3 | 7.6 | .830 | 2.0 | 4.9 | 6.9 | 2.6 | 0.8 | 0.5 | 2.6 | 3.1 | 28.7 |
| 2013-14 | 29 | NYK | NBA | PF | 77 | 77 | 38.7 | 9.6 | 21.3 | .452 | 2.2 | 5.4 | .402 | 7.5 | 15.9 | .469 | .503 | 6.0 | 7.0 | .848 | 1.9 | 6.2 | 8.1 | 3.1 | 1.2 | 0.7 | 2.6 | 2.9 | 27.4 |
| 2014-15 | 30 | NYK | NBA | SF | 40 | 40 | 35.7 | 9.0 | 20.2 | .444 | 1.5 | 4.5 | .341 | 7.4 | 15.7 | .474 | .482 | 4.7 | 5.9 | .797 | 1.8 | 4.8 | 6.6 | 3.1 | 1.0 | 0.4 | 2.2 | 2.2 | 24.2 |
| 2015-16 | 31 | NYK | NBA | SF | 72 | 72 | 35.1 | 7.9 | 18.2 | .434 | 1.5 | 4.3 | .339 | 6.4 | 13.8 | .463 | .474 | 4.6 | 5.6 | .829 | 1.4 | 6.4 | 7.7 | 4.2 | 0.9 | 0.5 | 2.4 | 2.5 | 21.8 |
| 2016-17 | 32 | NYK | NBA | SF | 74 | 74 | 34.3 | 8.1 | 18.8 | .433 | 2.0 | 5.7 | .359 | 6.1 | 13.1 | .466 | .488 | 4.1 | 4.9 | .833 | 0.8 | 5.1 | 5.9 | 2.9 | 0.8 | 0.5 | 2.1 | 2.7 | 22.4 |
| 2017-18 | 33 | OKC | NBA | PF | 78 | 78 | 32.1 | 6.1 | 15.0 | .404 | 2.2 | 6.1 | .357 | 3.9 | 8.9 | .437 | .476 | 1.9 | 2.5 | .767 | 0.9 | 4.9 | 5.8 | 1.3 | 0.6 | 0.6 | 1.3 | 2.5 | 16.2 |
| 2018-19 | 34 | HOU | NBA | PF | 10 | 2 | 29.4 | 4.9 | 12.1 | .405 | 2.1 | 6.4 | .328 | 2.8 | 5.7 | .491 | .492 | 1.5 | 2.2 | .682 | 0.9 | 4.5 | 5.4 | 0.5 | 0.4 | 0.7 | 0.8 | 3.2 | 13.4 |
| 2019-20 | 35 | POR | NBA | PF | 58 | 58 | 32.8 | 5.8 | 13.5 | .430 | 1.5 | 3.9 | .385 | 4.3 | 9.6 | .448 | .485 | 2.3 | 2.8 | .845 | 1.2 | 5.1 | 6.3 | 1.5 | 0.8 | 0.5 | 1.7 | 2.9 | 15.4 |
| Career | | | NBA | | 1122 | 1114 | 35.7 | 8.4 | 18.8 | .448 | 1.3 | 3.7 | .349 | 7.2 | 15.1 | .472 | .482 | 5.4 | 6.6 | .812 | 1.7 | 4.8 | 6.5 | 2.9 | 1.0 | 0.5 | 2.6 | 2.9 | 23.6 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| 8 seasons | | DEN | NBA | | 564 | 564 | 36.4 | 8.8 | 19.3 | .459 | 0.7 | 2.3 | .311 | 8.1 | 16.9 | .479 | .478 | 6.4 | 7.9 | .803 | 2.0 | 4.4 | 6.3 | 3.1 | 1.1 | 0.5 | 3.1 | 3.0 | 24.8 |
| 7 seasons | | NYK | NBA | | 412 | 412 | 36.0 | 8.8 | 19.9 | .443 | 1.8 | 5.0 | .369 | 7.0 | 14.9 | .468 | .489 | 5.3 | 6.3 | .830 | 1.6 | 5.4 | 7.0 | 3.2 | 1.0 | 0.5 | 2.4 | 2.8 | 24.7 |
| 1 season | | OKC | NBA | | 78 | 78 | 32.1 | 6.1 | 15.0 | .404 | 2.2 | 6.1 | .357 | 3.9 | 8.9 | .437 | .476 | 1.9 | 2.5 | .767 | 0.9 | 4.9 | 5.8 | 1.3 | 0.6 | 0.6 | 1.3 | 2.5 | 16.2 |
| 1 season | | POR | NBA | | 58 | 58 | 32.8 | 5.8 | 13.5 | .430 | 1.5 | 3.9 | .385 | 4.3 | 9.6 | .448 | .485 | 2.3 | 2.8 | .845 | 1.2 | 5.1 | 6.3 | 1.5 | 0.8 | 0.5 | 1.7 | 2.9 | 15.4 |
| 1 season | | HOU | NBA | | 10 | 2 | 29.4 | 4.9 | 12.1 | .405 | 2.1 | 6.4 | .328 | 2.8 | 5.7 | .491 | .492 | 1.5 | 2.2 | .682 | 0.9 | 4.5 | 5.4 | 0.5 | 0.4 | 0.7 | 0.8 | 3.2 | 13.4 |