| Year | Team | Lg | Level | Unif | Org | Age | Rk | G | GS | IP | ERA | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO | GB/FB | QS | HB | AB | Bavg | TBF | Pit/B | Bal | Str | Sw | Record | TR | Manager(s) |
| 1977 | Char., W.Va. | Wcar | AAA | - | hou | 22 | - | 21 | 18 | 140.0 | 2.25 | 1.16 | 7.84 | 0.32 | 2.64 | 2.83 | 0.93 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 53-87 | 6 | Jim Beauchamp |
| Houston | NL | MLB | 37 | hou | 22 | - | 9 | 4 | 30.1 | 3.26 | 1.55 | 11.87 | -- | 2.08 | 4.45 | 0.47 | 0.80 | 1 | 1 | 125 | .320 | 135 | 0.04 | 33.3 | 66.7 | 33.3 | 81-81 | 3 | Bill Virdon | |
| 1978 | Houston | NL | MLB | 37 | hou | 23 | 69 | 30 | 19 | 140.0 | 3.99 | 1.29 | 9.00 | 0.51 | 2.57 | 4.24 | 0.61 | 0.73 | 10 | 1 | 529 | .265 | 592 | -- | -- | -- | -- | 74-88 | 5 | Bill Virdon |
| 1979 | Houston | NL | MLB | 37 | hou | 24 | - | 19 | 1 | 25.2 | 6.66 | 2.10 | 13.68 | 0.70 | 5.26 | 3.16 | 1.67 | 0.71 | 0 | 0 | 112 | .348 | 130 | 0.25 | 48.5 | 51.5 | 9.1 | 89-73 | 2 | Bill Virdon |
| 1980 | Tidewater | IL | AAA | - | nym | 25 | 35 | 32 | 19 | 138.0 | 3.46 | 1.36 | 9.72 | 0.59 | 2.48 | 5.74 | 0.43 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 67-72 | 6 | Frank Verdi |
| 1981 | Tidewater | IL | AAA | - | nym | 26 | 10 | 27 | 27 | 177.0 | 4.07 | 1.37 | 7.58 | 0.81 | 4.73 | 5.75 | 0.82 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 70-68 | 3 | Jack Aker |
| 1982 | Syracuse/Tidewater | IL | AAA | - | tor | 27 | 52 | 22 | 19 | 118.2 | 3.79 | 1.31 | 8.19 | 0.91 | 3.56 | 6.98 | 0.51 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 64-76 | 6 | Jim Beauchamp |
| Wichita | Amer | AAA | - | mtl | 27 | - | 3 | 3 | 18.0 | 4.00 | 1.17 | 7.50 | 0.50 | 3.00 | 6.50 | 0.46 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 70-67 | 2 | Felipe Alou | |
| 1983 | Wichita | Amer | AAA | - | mtl | 28 | 3 | 28 | 27 | 174.0 | 5.33 | 1.49 | 9.67 | 1.19 | 3.72 | 5.43 | 0.69 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 65-71 | 3 | Felipe Alou |
| Montreal | NL | MLB | 37 | mtl | 28 | - | 4 | 0 | 3.2 | 9.82 | 1.91 | 14.73 | 2.45 | 2.45 | 9.82 | 0.25 | 0.40 | 0 | 1 | 16 | .375 | 19 | -- | -- | -- | -- | 82-80 | 3 | Bill Virdon | |
| MLB Totals (4 years) | 62 | 24 | 200 | 3 | 1.44 | 10.13 | 0.50 | 2.84 | 4.23 | 0.67 | 0.73 | 11 | 3 | 782 | .288 | 876 | -- | 46.2 | 53.8 | 12.8 | .503 | -- | ||||||||
| Minor League Totals (5 years) | 133 | 113 | 766 | 1 | 1.34 | 8.58 | 0.78 | 3.49 | 5.35 | 0.65 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .469 | -- | ||||||||
| AAA Totals (5 years) | 133 | 113 | 766 | 1 | 1.34 | 8.58 | 0.78 | 3.49 | 5.35 | 0.65 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .469 | -- | ||||||||