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 |
| 1977-78 | 21 | NJN | NBA | SF | 79 | | 39.1 | 10.1 | 21.1 | .479 | | | | 10.1 | 21.1 | .479 | .479 | 4.0 | 5.8 | .677 | 3.4 | 6.2 | 9.5 | 2.4 | 1.5 | 0.5 | 3.9 | 3.8 | 24.2 |
| 1978-79 | 22 | NJN | NBA | SF | 82 | | 34.9 | 8.7 | 16.6 | .522 | | | | 8.7 | 16.6 | .522 | .522 | 4.3 | 7.5 | .564 | 3.1 | 5.1 | 8.2 | 3.6 | 1.4 | 0.5 | 3.9 | 4.0 | 21.6 |
| 1979-80 | 23 | UTA | NBA | SF | 19 | | 22.1 | 3.7 | 7.2 | .518 | 0.0 | 0.0 | | 3.7 | 7.2 | .518 | .518 | 1.8 | 3.3 | .540 | 1.3 | 3.4 | 4.6 | 2.7 | 0.4 | 0.2 | 2.6 | 3.5 | 9.3 |
| 1980-81 | 24 | GSW | NBA | SF | 81 | | 36.0 | 9.0 | 15.4 | .588 | 0.0 | 0.1 | .333 | 9.0 | 15.3 | .589 | .588 | 3.8 | 5.4 | .703 | 2.2 | 4.6 | 6.8 | 3.5 | 0.9 | 0.4 | 3.3 | 3.8 | 21.9 |
| 1981-82 | 25 | GSW | NBA | SF | 79 | 77 | 36.2 | 9.4 | 16.5 | .566 | 0.0 | 0.1 | .200 | 9.4 | 16.5 | .568 | .567 | 4.5 | 6.3 | .705 | 1.8 | 4.2 | 5.9 | 3.6 | 1.0 | 0.3 | 3.4 | 3.6 | 23.2 |
| 1982-83 | 26 | NYK | NBA | SF | 68 | 68 | 32.5 | 8.9 | 16.8 | .528 | 0.0 | 0.1 | .000 | 8.9 | 16.7 | .531 | .528 | 4.1 | 5.7 | .722 | 1.5 | 3.3 | 4.8 | 2.9 | 1.3 | 0.2 | 2.9 | 3.4 | 21.9 |
| 1983-84 | 27 | NYK | NBA | SF | 77 | 76 | 34.6 | 10.3 | 18.1 | .572 | 0.0 | 0.1 | .000 | 10.3 | 18.0 | .573 | .572 | 5.7 | 7.3 | .779 | 1.6 | 3.5 | 5.1 | 2.1 | 1.0 | 0.2 | 2.6 | 3.5 | 26.3 |
| 1984-85 | 28 | NYK | NBA | SF | 55 | 55 | 37.5 | 12.6 | 23.7 | .530 | 0.0 | 0.2 | .100 | 12.5 | 23.5 | .534 | .531 | 7.7 | 10.0 | .772 | 2.1 | 3.7 | 5.8 | 3.7 | 1.3 | 0.3 | 3.7 | 3.5 | 32.9 |
| 1985-86 | 29 | Did Not Play(injuryknee) |
| 1986-87 | 30 | NYK | NBA | SF | 6 | 4 | 35.7 | 8.7 | 17.5 | .495 | 0.0 | 0.0 | | 8.7 | 17.5 | .495 | .495 | 5.3 | 7.2 | .744 | 2.2 | 3.2 | 5.3 | 3.2 | 0.3 | 0.0 | 2.5 | 2.3 | 22.7 |
| 1987-88 | 31 | WSB | NBA | SF | 69 | 38 | 29.6 | 6.8 | 13.6 | .501 | 0.0 | 0.1 | .167 | 6.8 | 13.5 | .503 | .502 | 3.6 | 4.7 | .762 | 1.2 | 2.8 | 4.1 | 2.8 | 0.7 | 0.1 | 3.1 | 2.9 | 17.2 |
| 1988-89 | 32 | WSB | NBA | SF | 81 | 81 | 31.6 | 8.1 | 16.9 | .477 | 0.1 | 0.4 | .167 | 8.0 | 16.6 | .484 | .479 | 4.5 | 5.4 | .819 | 1.6 | 3.1 | 4.7 | 3.6 | 0.8 | 0.2 | 2.8 | 2.7 | 20.7 |
| 1989-90 | 33 | WSB | NBA | SF | 82 | 82 | 32.8 | 8.7 | 17.8 | .487 | 0.0 | 0.3 | .130 | 8.6 | 17.5 | .493 | .488 | 5.0 | 6.3 | .803 | 1.6 | 3.4 | 4.9 | 4.6 | 0.6 | 0.1 | 3.0 | 2.8 | 22.4 |
| 1990-91 | 34 | WSB | NBA | SF | 64 | 64 | 37.5 | 11.1 | 23.6 | .472 | 0.1 | 0.6 | .216 | 11.0 | 23.0 | .478 | .475 | 6.0 | 7.6 | .790 | 1.8 | 3.2 | 5.0 | 4.6 | 0.9 | 0.3 | 4.0 | 2.9 | 28.4 |
| 1991-92 | 35 | Did Not Play(injury) |
| 1992-93 | 36 | NJN | NBA | SF | 32 | 2 | 13.4 | 2.8 | 5.5 | .514 | 0.1 | 0.2 | .286 | 2.8 | 5.3 | .524 | .520 | 1.2 | 1.8 | .684 | 1.1 | 1.3 | 2.4 | 0.6 | 0.3 | 0.1 | 0.7 | 1.7 | 7.0 |
| Career | | | NBA | | 874 | 547 | 33.7 | 9.0 | 17.3 | .518 | 0.0 | 0.2 | .172 | 8.9 | 17.1 | .521 | .519 | 4.5 | 6.2 | .730 | 1.9 | 3.8 | 5.8 | 3.3 | 1.0 | 0.3 | 3.2 | 3.3 | 22.5 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| 4 seasons | | WSB | NBA | | 296 | 265 | 32.7 | 8.6 | 17.8 | .483 | 0.1 | 0.3 | .177 | 8.6 | 17.5 | .488 | .484 | 4.7 | 6.0 | .796 | 1.6 | 3.1 | 4.7 | 3.9 | 0.7 | 0.2 | 3.2 | 2.8 | 22.0 |
| 4 seasons | | NYK | NBA | | 206 | 203 | 34.7 | 10.4 | 19.1 | .543 | 0.0 | 0.1 | .050 | 10.4 | 19.0 | .546 | .543 | 5.7 | 7.5 | .761 | 1.7 | 3.5 | 5.2 | 2.8 | 1.2 | 0.2 | 3.0 | 3.5 | 26.5 |
| 3 seasons | | NJN | NBA | | 193 | 2 | 33.1 | 8.3 | 16.6 | .500 | 0.1 | 0.2 | .286 | 8.3 | 16.5 | .500 | .500 | 3.6 | 5.9 | .616 | 2.9 | 4.9 | 7.8 | 2.6 | 1.3 | 0.4 | 3.4 | 3.5 | 20.2 |
| 2 seasons | | GSW | NBA | | 160 | 77 | 36.1 | 9.2 | 15.9 | .577 | 0.0 | 0.1 | .273 | 9.2 | 15.9 | .578 | .577 | 4.1 | 5.9 | .704 | 2.0 | 4.4 | 6.4 | 3.6 | 0.9 | 0.4 | 3.3 | 3.7 | 22.5 |
| 1 season | | UTA | NBA | | 19 | | 22.1 | 3.7 | 7.2 | .518 | 0.0 | 0.0 | | 3.7 | 7.2 | .518 | .518 | 1.8 | 3.3 | .540 | 1.3 | 3.4 | 4.6 | 2.7 | 0.4 | 0.2 | 2.6 | 3.5 | 9.3 |