| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1975 | Detroit Tigers | AL | MLB | DET | 39 | 22 | 0 | 4 | 3.20 | 13 | 0 | 0 | 0 | 13 | 11 | 0 | 25.1 | 27 | 14 | 9 | 0 | 20 | 21 | 1 | 0 | 0 | 1.86 | 9.59 | 0.00 | 7.11 | 7.46 | 4.97 | 1.05 |
| 1976 | Houston Astros | NL | MLB | HOU | 30 | 23 | 3 | 3 | 2.97 | 40 | 0 | 0 | 0 | 40 | 25 | 5 | 63.2 | 62 | 26 | 21 | 5 | 31 | 36 | 2 | 0 | 1 | 1.46 | 8.76 | 0.71 | 4.38 | 5.09 | 3.68 | 1.16 |
| 1977 | Charleston Charlies | IL | AAA | HOU | - | 24 | 1 | 2 | 5.00 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 18.0 | 16 | 11 | 10 | 3 | 14 | 10 | 1 | 0 | 0 | 1.67 | 8.00 | 1.50 | 7.00 | 5.00 | 5.50 | 0.71 |
| 1977 | Houston Astros | NL | MLB | HOU | 30 | 24 | 5 | 2 | 3.83 | 41 | 4 | 0 | 0 | 37 | 16 | 2 | 87.0 | 76 | 41 | 37 | 8 | 44 | 51 | 9 | 2 | 1 | 1.38 | 7.86 | 0.83 | 4.55 | 5.28 | 4.24 | 1.16 |
| 1978 | Houston Astros | NL | MLB | HOU | 30 | 25 | 0 | 0 | 6.00 | 10 | 0 | 0 | 0 | 10 | 2 | 0 | 15.0 | 12 | 13 | 10 | 1 | 13 | 8 | 1 | 0 | 1 | 1.67 | 7.20 | 0.60 | 7.80 | 4.80 | 7.80 | 0.62 |
| 1979 | Portland Beavers | PCL | AAA | PIT | - | 26 | 5 | 6 | 4.33 | 57 | 0 | 0 | 0 | 57 | 0 | 12 | 81.0 | 78 | 44 | 39 | 6 | 57 | 66 | 5 | 0 | 7 | 1.67 | 8.67 | 0.67 | 6.33 | 7.33 | 4.89 | 1.16 |
| 1980 | Portland Beavers | PCL | AAA | PIT | - | 27 | 3 | 8 | 5.21 | 20 | 15 | 3 | 1 | 5 | 0 | 2 | 102.0 | 109 | 67 | 59 | 4 | 52 | 58 | 8 | 0 | 3 | 1.58 | 9.62 | 0.35 | 4.59 | 5.12 | 5.91 | 1.12 |
| 1981 | Phoenix Giants | PCL | AAA | SFN | - | 28 | 3 | 4 | 4.38 | 41 | 0 | 0 | 0 | 41 | 33 | 14 | 74.0 | 82 | 38 | 36 | 11 | 42 | 51 | 2 | 0 | 1 | 1.68 | 9.97 | 1.34 | 5.11 | 6.20 | 4.62 | 1.21 |
| Tot: | MLB (4 yrs) | MLB | 8 | 9 | 3.63 | 104 | 4 | 0 | 0 | 54 | 100 | 7 | 191.0 | 177 | 94 | 77 | 14 | 108 | 116 | 13 | 2 | 3 | 1.49 | 8.34 | 0.66 | 5.09 | 5.47 | 4.43 | 1.07 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 4 | 3.20 | 13 | 0 | 0 | 0 | 11 | 13 | 0 | 25.1 | 27 | 14 | 9 | 0 | 20 | 21 | 1 | 0 | 0 | 1.86 | 9.59 | 0.00 | 7.11 | 7.46 | 4.97 | 1.05 | ||||
| Tot: | NL (3 yrs) | NL | 8 | 5 | 3.69 | 91 | 4 | 0 | 0 | 43 | 87 | 7 | 165.2 | 150 | 80 | 68 | 14 | 88 | 95 | 12 | 2 | 3 | 1.44 | 8.15 | 0.76 | 4.78 | 5.16 | 4.35 | 1.08 | ||||
| Tot: | Minors (4 yrs) | Minors | 12 | 20 | 4.71 | 121 | 18 | 3 | 1 | 33 | 103 | 28 | 275.0 | 285 | 160 | 144 | 24 | 165 | 185 | 16 | 0 | 11 | 1.64 | 9.33 | 0.79 | 5.40 | 6.05 | 5.24 | 1.12 | ||||
| Tot: | AAA (4 yrs) | AAA | 12 | 20 | 4.71 | 121 | 18 | 3 | 1 | 33 | 103 | 28 | 275.0 | 285 | 160 | 144 | 24 | 165 | 185 | 16 | 0 | 11 | 1.64 | 9.33 | 0.79 | 5.40 | 6.05 | 5.24 | 1.12 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1976 | Houston Astros | NL | MLB | HOU | 30 | 23 | P | 40 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 1 | .200 | .333 | .200 | .533 | .200 | .000 | .250 | 16.67 | 16.67 | 1.00 | 0.00 | |
| 1977 | Houston Astros | NL | MLB | HOU | 30 | 24 | P | 41 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 46.15 | 0.00 | 0.00 | |
| 1978 | Houston Astros | NL | MLB | HOU | 30 | 25 | P | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1979 | Portland Beavers | PCL | AAA | PIT | - | 26 | P | 57 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1981 | Phoenix Giants | PCL | AAA | SFN | - | 28 | P | 41 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 91 | 19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 20 | 0 | 1 | .053 | .100 | .053 | .153 | .053 | .000 | .083 | 5.00 | 35.00 | 7.00 | |||||||
| Tot: | NL (3 yrs) | NL | 91 | 19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 20 | 0 | 1 | .053 | .100 | .053 | .153 | .053 | .000 | .083 | 5.00 | 35.00 | 7.00 | |||||||
| Tot: | Minors (3 yrs) | Minors | 101 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | ||||||||
| Tot: | AAA (3 yrs) | AAA | 101 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 59 | 19 | 57 | 27 | 57 | 55 | .490 |