| Season | Team | Rushes | Yds | Avg | TDs | RECs | Yds | Avg | TD | KR | Yds | PR | Yds |
| 1974 | Bears | 167 | 1107 | 6.6 | 17 | 17 | 143 | 8.4 | 2 | 0 | 0 | 0 | 0 |
| 1975 | Bears | 111 | 795 | 7.2 | 6 | 20 | 167 | 8.4 | 1 | 0 | 0 | 0 | 0 |
| 1976 | Bears | 100 | 658 | 6.6 | 7 | 18 | 94 | 5.2 | 0 | 0 | 0 | 0 | 0 |
| 1977 | Steelers | 11 | 102 | 9.3 | 0 | 13 | 149 | 11.5 | 3 | 66 | 980 | 0 | 0 |
| 1978 | Steelers | 3 | 18 | 6.0 | 0 | 14 | 183 | 13.1 | 2 | 59 | 858 | 0 | 0 |
| 1979 | Steelers | 8 | 90 | 11.3 | 2 | 17 | 237 | 13.9 | 4 | 71 | 1151 | 7 | 47 |
| Total | 400 | 2770 | 6.9 | 32 | 99 | 973 | 9.8 | 12 | 196 | 2989 | 7 | 47 | |