| 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) |
| 1968 | Atlanta | NL | MLB | 37 | atl | 23 | - | 3 | 0 | 5.0 | 3.60 | 1.20 | 5.40 | -- | 5.40 | 7.20 | 0.75 | 0.83 | 0 | 0 | 18 | .167 | 21 | -- | -- | -- | -- | 81-81 | 5 | Lum Harris |
| 1969 | Houston | NL | MLB | 35 | hou | 24 | - | 28 | 0 | 27.0 | 6.67 | 2.04 | 11.33 | 1.00 | 7.00 | 11.00 | 0.64 | 1.24 | 0 | 1 | 112 | .304 | 136 | -- | -- | -- | -- | 81-81 | 5 | Harry Walker |
| 1971 | Houston | NL | MLB | 35 | hou | 26 | - | 4 | 0 | 4.2 | 0.00 | 0.86 | 1.93 | -- | 5.79 | 5.79 | 1.00 | 0.67 | 0 | 0 | 14 | .071 | 17 | -- | -- | -- | -- | 79-83 | 4 | Harry Walker |
| MLB Totals (3 years) | 35 | 0 | 37 | 0 | 1.76 | 9.24 | 0.73 | 6.57 | 9.73 | 0.67 | 1.06 | 0 | 1 | 144 | .264 | 174 | -- | -- | -- | -- | .496 | -- | ||||||||