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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | 22 | TEX | 56 | 56 | 12 | 8 | 7 | 2 | 131.0 | 50 | 59 | 134 | 60 | 11 | 4.12 | 1.47 | 6.5 |
| 1976 | 23 | TEX | 30 | 30 | 30 | 10 | 12 | 0 | 197.1 | 105 | 54 | 208 | 69 | 12 | 3.15 | 1.33 | 7.7 |
| 1977 | 24 | ATH | 12 | 12 | 8 | 1 | 5 | 0 | 44.0 | 24 | 28 | 62 | 32 | 3 | 6.55 | 2.05 | — |
| 1977 | 24 | TEX | 3 | 3 | 2 | 1 | 1 | 0 | 13.0 | 5 | 4 | 14 | 8 | 2 | 5.54 | 1.38 | — |
| 1978 | 25 | TEX | 32 | 32 | 9 | 5 | 8 | 1 | 97.2 | 60 | 36 | 116 | 53 | 9 | 4.88 | 1.56 | 4.1 |