Sport-specific career totals from the active profile tables, with VAL shown whenever the sport has a value file.
| Season | Age | Team | GP | G | GS | W | L | SV | IP | SO | BB | H | ER | HR | ERA | WHIP | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 19 | CWS | 2 | 2 | 2 | 0 | 2 | 0 | 7.2 | 3 | 3 | 14 | 11 | 2 | 12.91 | 2.22 | β |
| 1979 | 20 | CWS | 6 | 6 | 0 | 0 | 0 | 0 | 5.0 | 2 | 1 | 10 | 3 | 1 | 5.40 | 2.20 | β |
| 1980 | 21 | CWS | 34 | 34 | 32 | 15 | 13 | 0 | 238.0 | 133 | 63 | 213 | 75 | 17 | 2.84 | 1.16 | 11.6 |
| 1981 | 22 | CWS | 24 | 24 | 23 | 10 | 6 | 0 | 156.2 | 108 | 49 | 139 | 46 | 14 | 2.64 | 1.20 | 8 |
| 1982 | 23 | CWS | 28 | 28 | 28 | 13 | 5 | 0 | 169.1 | 116 | 67 | 168 | 76 | 12 | 4.04 | 1.39 | 7.4 |
| 1983 | 24 | CWS | 29 | 29 | 26 | 10 | 11 | 0 | 173.2 | 115 | 55 | 165 | 69 | 14 | 3.58 | 1.27 | 8.1 |
| 1984 | 25 | CWS | 34 | 34 | 16 | 4 | 12 | 3 | 117.0 | 85 | 45 | 130 | 65 | 7 | 5.00 | 1.50 | 5.6 |
| 1985 | 26 | CWS | 36 | 36 | 34 | 18 | 11 | 0 | 227.0 | 172 | 79 | 206 | 100 | 26 | 3.96 | 1.26 | 10.8 |
Gave the Chicago White Sox an entire corpus-attributed career β 8 seasons (1978β1985), one crest. The rarest loyalty in the sport.