36.6 || .477 || .356 || .806 || 2.8 || 7.0 || 2.1 || .5 || 17.3 |- | style="text-align:left;"| | style="text-align:left;"| Dallas | 82 || 82 || 36.7 || .488 || .371 || .794 || 3.0 || 7.4 || 2.3 || .3 || 18.0 |- | style="text-align:left;"| | style="text-align:left;"| Dallas | 77 || 77 || 37.4 || .467 || .362 || .731 || 3.0 || 7.1 || 1.9 || .2 || 19.7 |- | style="text-align:left;"| | style="text-align:left;"| Dallas | 65 || 64 || 34.6 || .443 || .312 || .759 || 2.6 || 5.7 || 1.6 || .3 || 17.7 |- | style="text-align:left;"| | style="text-align:left;"| Dallas | 62 || 60 || 34.0 || .419 || .393 || .756 || 2.0 || 5.4 || 1.3 || .3 || 18.2 |- | style="text-align:left;"| | style="text-align:left;"| Dallas | 28 || 28 || 31.9 || .380 || .352 || .560 || 2.0 || 3.5 || 1.6 || .1 || 11.6 |- | style="text-align:left;"| | style="text-align:left;"| New York | 54 || 27 || 24.3 || .430 || .367 || .743 || 1.6 || 4.4 || 1.5 || .1 || 8.6 |- | style="text-align:left;"| | style="text-align:left;"| New York | 80 || 80 || 34.0 || .446 || .363 || .724 || 2.4 || 5.7 || 1.0 || .1 || 11.5 |- | style="text-align:left;"| | style="text-align:left;"| New York | 82 || 82 || 35.3 || .464 || .372 || .757 || 2.5 || 4.3 || 1.6 || .1 || 14.0 |- | style="text-align:left;"| | style="text-align:left;"| Dallas | 75 || 29 || 29.5 || .444 || .341 || .742 || 1.8 || 4.3 || 1.2 || .2 || 10.0 |- | style="text-align:left;"| | style="text-align:left;"| Orlando | 66 || 45 || 26.7 || .417 || .360 || .696 || 1.6 || 3.5 || 1.1 || .2 || 8.6 |- | style="text-align:left;"| | style="text-align:left;"| L. A. Lakers | 45 || 29 || 24.9 || .412 || .368 || .813 || 1.5 || 4.2 || 1.0 || .1 || 6.9 |- class="sortbottom" | style="text-align:center;" colspan="2"| Career | 1,199 || 883 || 31.5 || .463 || .354 || .745 || 2.4 || 5.5 || 1.6 || .3 || 13.3 Playoffs |- | style="text-align:left;"| 1984 | style="text-align:left;"| Dallas | 10 || – || 22.6 || .389 || .375 || .714 || 2.0 || 2.8 || 1.1 || .2 || 5.0 |- | style="text-align:left;"| 1985 | style="text-align:left;"| Dallas | 4 || 0 ||