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 |
| 1999-00 | 22 | ATL | NBA | PG | 81 | 27 | 23.3 | 3.1 | 7.4 | .415 | 0.6 | 1.9 | .293 | 2.5 | 5.5 | .458 | .453 | 1.4 | 1.7 | .807 | 0.3 | 1.8 | 2.0 | 4.3 | 1.1 | 0.1 | 1.9 | 1.6 | 8.1 |
| 2000-01 | 23 | ATL | NBA | SG | 82 | 77 | 37.7 | 7.3 | 16.7 | .436 | 1.5 | 3.8 | .395 | 5.8 | 12.8 | .448 | .481 | 3.7 | 4.4 | .846 | 0.5 | 2.8 | 3.3 | 4.9 | 1.3 | 0.1 | 2.9 | 2.5 | 19.7 |
| 2001-02 | 24 | ATL | NBA | SG | 78 | 78 | 38.0 | 6.7 | 15.6 | .430 | 2.2 | 5.7 | .387 | 4.5 | 9.9 | .454 | .500 | 3.6 | 4.4 | .835 | 0.5 | 2.9 | 3.5 | 5.7 | 1.8 | 0.2 | 2.3 | 2.0 | 19.3 |
| 2002-03 | 25 | ATL | NBA | PG | 81 | 81 | 38.0 | 6.0 | 14.1 | .428 | 2.0 | 5.3 | .371 | 4.0 | 8.8 | .462 | .498 | 3.2 | 3.6 | .887 | 0.5 | 3.0 | 3.4 | 7.4 | 1.6 | 0.2 | 3.1 | 2.2 | 17.2 |
| 2003-04 | 26 | ATL | NBA | PG | 81 | 78 | 37.3 | 6.2 | 14.8 | .417 | 1.8 | 5.2 | .347 | 4.4 | 9.6 | .455 | .478 | 2.7 | 3.2 | .827 | 0.6 | 3.5 | 4.1 | 5.4 | 1.5 | 0.2 | 2.8 | 2.4 | 16.8 |
| 2004-05 | 27 | DAL | NBA | PG | 80 | 57 | 30.0 | 4.7 | 9.3 | .501 | 1.3 | 3.1 | .420 | 3.4 | 6.2 | .540 | .570 | 1.8 | 2.2 | .844 | 0.5 | 1.9 | 2.4 | 5.4 | 1.4 | 0.2 | 1.8 | 2.2 | 12.4 |
| 2005-06 | 28 | DAL | NBA | PG | 80 | 80 | 35.0 | 6.5 | 13.7 | .470 | 2.1 | 5.2 | .411 | 4.3 | 8.5 | .505 | .547 | 2.1 | 2.6 | .800 | 0.4 | 1.6 | 2.0 | 3.8 | 1.3 | 0.3 | 1.7 | 2.5 | 17.1 |
| 2006-07 | 29 | DAL | NBA | SG | 81 | 80 | 35.1 | 6.3 | 13.1 | .484 | 2.0 | 4.6 | .438 | 4.3 | 8.6 | .508 | .560 | 2.0 | 2.5 | .804 | 0.5 | 2.3 | 2.9 | 5.2 | 1.0 | 0.2 | 1.9 | 2.1 | 16.7 |
| 2007-08 | 30 | DAL | NBA | SG | 82 | 34 | 31.5 | 5.7 | 12.3 | .467 | 1.7 | 4.4 | .375 | 4.1 | 7.9 | .519 | .535 | 2.3 | 2.7 | .857 | 0.4 | 2.2 | 2.5 | 3.2 | 1.1 | 0.2 | 1.1 | 2.1 | 15.5 |
| 2008-09 | 31 | DAL | NBA | SG | 74 | 11 | 33.7 | 7.3 | 15.8 | .463 | 2.3 | 6.2 | .366 | 5.1 | 9.6 | .525 | .535 | 2.7 | 3.0 | .880 | 0.5 | 1.9 | 2.4 | 3.4 | 1.3 | 0.3 | 1.6 | 1.9 | 19.6 |
| 2009-10 | 32 | DAL | NBA | SG | 77 | 12 | 33.0 | 5.9 | 13.5 | .438 | 1.8 | 4.8 | .365 | 4.2 | 8.7 | .479 | .503 | 3.0 | 3.5 | .866 | 0.2 | 1.6 | 1.8 | 3.8 | 1.2 | 0.2 | 1.4 | 1.8 | 16.6 |
| 2010-11 | 33 | DAL | NBA | SG | 82 | 10 | 31.3 | 6.0 | 13.3 | .451 | 1.5 | 4.3 | .362 | 4.5 | 9.0 | .493 | .509 | 2.2 | 2.6 | .850 | 0.3 | 1.6 | 1.9 | 4.1 | 1.1 | 0.2 | 2.0 | 1.7 | 15.8 |
| 2011-12 | 34 | DAL | NBA | SG | 63 | 1 | 31.7 | 5.7 | 13.2 | .430 | 2.2 | 5.8 | .378 | 3.5 | 7.4 | .471 | .513 | 1.6 | 1.8 | .883 | 0.3 | 2.1 | 2.4 | 3.6 | 1.2 | 0.2 | 2.0 | 1.1 | 15.1 |
| 2012-13 | 35 | BOS | NBA | SG | 79 | 24 | 26.9 | 3.6 | 8.2 | .434 | 1.6 | 4.2 | .372 | 2.0 | 4.0 | .498 | .529 | 1.4 | 1.7 | .870 | 0.2 | 1.8 | 2.0 | 2.5 | 0.8 | 0.1 | 1.3 | 1.4 | 10.1 |
| 2013-14 | 36 | BRK | NBA | PG | 35 | 0 | 16.3 | 1.6 | 4.3 | .362 | 1.1 | 2.9 | .379 | 0.5 | 1.4 | .327 | .490 | 0.3 | 0.4 | .667 | 0.1 | 0.9 | 1.1 | 1.6 | 0.4 | 0.0 | 0.8 | 1.4 | 4.5 |
| 2014-15 | 37 | HOU | NBA | SG | 77 | 18 | 21.3 | 2.4 | 5.8 | .422 | 1.6 | 4.2 | .390 | 0.8 | 1.6 | .504 | .563 | 0.5 | 0.6 | .813 | 0.2 | 1.4 | 1.6 | 1.9 | 0.9 | 0.2 | 1.0 | 1.5 | 7.0 |
| 2015-16 | 38 | HOU | NBA | SG | 72 | 7 | 17.5 | 2.1 | 5.2 | .402 | 1.3 | 3.6 | .356 | 0.8 | 1.6 | .504 | .525 | 0.4 | 0.5 | .818 | 0.2 | 0.9 | 1.1 | 1.4 | 0.7 | 0.1 | 0.7 | 1.3 | 5.9 |
| 2016-17 | 39 | MIL | NBA | SG | 74 | 0 | 18.4 | 1.4 | 3.3 | .432 | 1.0 | 2.3 | .427 | 0.4 | 1.0 | .444 | .582 | 0.3 | 0.4 | .828 | 0.2 | 1.2 | 1.4 | 1.3 | 0.6 | 0.3 | 0.5 | 1.3 | 4.1 |
| 2017-18 | 40 | MIL | NBA | SG | 51 | 4 | 16.0 | 1.2 | 3.0 | .383 | 0.8 | 2.3 | .348 | 0.4 | 0.8 | .487 | .513 | 0.2 | 0.2 | .889 | 0.1 | 0.8 | 0.9 | 1.2 | 0.8 | 0.3 | 0.5 | 1.0 | 3.3 |
| Career | | | NBA | | 1410 | 679 | 29.8 | 4.9 | 11.1 | .444 | 1.6 | 4.3 | .380 | 3.3 | 6.8 | .484 | .517 | 2.0 | 2.3 | .845 | 0.4 | 2.0 | 2.3 | 3.8 | 1.1 | 0.2 | 1.7 | 1.8 | 13.4 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| 8 seasons | | DAL | NBA | | 619 | 285 | 32.7 | 6.0 | 13.0 | .462 | 1.8 | 4.7 | .388 | 4.2 | 8.2 | .505 | .533 | 2.2 | 2.6 | .847 | 0.4 | 1.9 | 2.3 | 4.1 | 1.2 | 0.2 | 1.7 | 1.9 | 16.1 |
| 5 seasons | | ATL | NBA | | 403 | 341 | 34.8 | 5.8 | 13.7 | .427 | 1.6 | 4.4 | .367 | 4.2 | 9.3 | .455 | .485 | 2.9 | 3.4 | .845 | 0.5 | 2.8 | 3.3 | 5.5 | 1.5 | 0.2 | 2.6 | 2.1 | 16.2 |
| 2 seasons | | HOU | NBA | | 149 | 25 | 19.5 | 2.3 | 5.5 | .412 | 1.5 | 3.9 | .375 | 0.8 | 1.6 | .504 | .546 | 0.4 | 0.5 | .815 | 0.2 | 1.1 | 1.3 | 1.7 | 0.8 | 0.2 | 0.8 | 1.4 | 6.5 |
| 2 seasons | | MIL | NBA | | 125 | 4 | 17.4 | 1.3 | 3.2 | .413 | 0.9 | 2.3 | .395 | 0.4 | 0.9 | .459 | .555 | 0.3 | 0.3 | .842 | 0.2 | 1.1 | 1.2 | 1.3 | 0.7 | 0.3 | 0.5 | 1.2 | 3.8 |
| 1 season | | BOS | NBA | | 79 | 24 | 26.9 | 3.6 | 8.2 | .434 | 1.6 | 4.2 | .372 | 2.0 | 4.0 | .498 | .529 | 1.4 | 1.7 | .870 | 0.2 | 1.8 | 2.0 | 2.5 | 0.8 | 0.1 | 1.3 | 1.4 | 10.1 |
| 1 season | | BRK | NBA | | 35 | 0 | 16.3 | 1.6 | 4.3 | .362 | 1.1 | 2.9 | .379 | 0.5 | 1.4 | .327 | .490 | 0.3 | 0.4 | .667 | 0.1 | 0.9 | 1.1 | 1.6 | 0.4 | 0.0 | 0.8 | 1.4 | 4.5 |