| 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 |
| 1977 | Charleston Charlies | IL | AAA | HOU | - | 22 | 13 | 4 | 2.25 | 21 | 18 | 9 | 6 | 3 | 0 | 0 | 140.0 | 122 | 43 | 35 | 5 | 41 | 44 | 4 | 1 | 0 | 1.16 | 7.84 | 0.32 | 2.64 | 2.83 | 2.76 | 1.07 |
| 1977 | Houston Astros | NL | MLB | HOU | 37 | 22 | 1 | 0 | 3.26 | 9 | 4 | 1 | 0 | 5 | 0 | 0 | 30.1 | 40 | 12 | 11 | 0 | 7 | 15 | 1 | 1 | 1 | 1.55 | 11.87 | 0.00 | 2.08 | 4.45 | 3.56 | 2.14 |
| 1978 | Houston Astros | NL | MLB | HOU | 37 | 23 | 7 | 11 | 3.99 | 30 | 19 | 3 | 2 | 11 | 4 | 1 | 140.0 | 140 | 70 | 62 | 8 | 40 | 66 | 0 | 2 | 1 | 1.29 | 9.00 | 0.51 | 2.57 | 4.24 | 4.50 | 1.65 |
| 1979 | Houston Astros | NL | MLB | HOU | 37 | 24 | 1 | 2 | 6.66 | 19 | 1 | 0 | 0 | 18 | 6 | 0 | 25.2 | 39 | 23 | 19 | 2 | 15 | 9 | 0 | 0 | 0 | 2.10 | 13.68 | 0.70 | 5.26 | 3.16 | 8.06 | 0.60 |
| 1980 | Tidewater Tides | IL | AAA | NYN | - | 25 | 8 | 12 | 3.46 | 32 | 19 | 6 | 1 | 13 | 0 | 3 | 138.0 | 149 | 62 | 53 | 9 | 38 | 88 | 2 | 0 | 4 | 1.36 | 9.72 | 0.59 | 2.48 | 5.74 | 4.04 | 2.32 |
| 1981 | Tidewater Tides | IL | AAA | NYN | - | 26 | 9 | 11 | 4.07 | 27 | 27 | 11 | 0 | 0 | 0 | 0 | 177.0 | 149 | 93 | 80 | 16 | 93 | 113 | 5 | 0 | 5 | 1.37 | 7.58 | 0.81 | 4.73 | 5.75 | 4.73 | 1.22 |
| 1982 | Wichita Aeros | Amer | AAA | MON | - | 27 | 1 | 1 | 4.00 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 18.0 | 15 | 8 | 8 | 1 | 6 | 13 | 0 | 0 | 0 | 1.17 | 7.50 | 0.50 | 3.00 | 6.50 | 4.00 | 2.17 |
| 1982 | Syracuse Chiefs | IL | AAA | TOR | - | 27 | 8 | 9 | 3.79 | 22 | 19 | 2 | 0 | 3 | 1 | 0 | 118.2 | 108 | 63 | 50 | 12 | 47 | 92 | 5 | 0 | 4 | 1.31 | 8.19 | 0.91 | 3.56 | 6.98 | 4.78 | 1.96 |
| 1983 | Wichita Aeros | Amer | AAA | MON | - | 28 | 12 | 9 | 5.33 | 28 | 27 | 8 | 2 | 1 | 0 | 0 | 174.0 | 187 | 114 | 103 | 23 | 72 | 105 | 10 | 0 | 7 | 1.49 | 9.67 | 1.19 | 3.72 | 5.43 | 5.90 | 1.46 |
| 1983 | Montreal Expos | NL | MLB | MON | 37 | 28 | 0 | 1 | 9.82 | 4 | 0 | 0 | 0 | 4 | 3 | 0 | 3.2 | 6 | 4 | 4 | 1 | 1 | 4 | 1 | 0 | 1 | 1.91 | 14.73 | 2.45 | 2.45 | 9.82 | 9.82 | 4.00 |
| Tot: | MLB (4 yrs) | MLB | 9 | 14 | 4.33 | 62 | 24 | 4 | 2 | 13 | 38 | 1 | 199.2 | 225 | 109 | 96 | 11 | 63 | 94 | 2 | 3 | 3 | 1.44 | 10.14 | 0.50 | 2.84 | 4.24 | 4.91 | 1.49 | ||||
| Tot: | NL (4 yrs) | NL | 9 | 14 | 4.33 | 62 | 24 | 4 | 2 | 13 | 38 | 1 | 199.2 | 225 | 109 | 96 | 11 | 63 | 94 | 2 | 3 | 3 | 1.44 | 10.14 | 0.50 | 2.84 | 4.24 | 4.91 | 1.49 | ||||
| Tot: | Minors (5 yrs) | Minors | 51 | 46 | 3.87 | 133 | 113 | 36 | 9 | 1 | 20 | 3 | 765.2 | 730 | 383 | 329 | 66 | 297 | 455 | 26 | 1 | 20 | 1.34 | 8.58 | 0.78 | 3.49 | 5.35 | 4.50 | 1.53 | ||||
| Tot: | AAA (5 yrs) | AAA | 51 | 46 | 3.87 | 133 | 113 | 36 | 9 | 1 | 20 | 3 | 765.2 | 730 | 383 | 329 | 66 | 297 | 455 | 26 | 1 | 20 | 1.34 | 8.58 | 0.78 | 3.49 | 5.35 | 4.50 | 1.53 | ||||
| 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 |
| 1977 | Houston Astros | NL | MLB | HOU | 37 | 22 | P | 9 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 20.00 | 0.00 | 0.00 | |
| 1978 | Houston Astros | NL | MLB | HOU | 37 | 23 | P | 30 | 40 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 7 | 0 | 3 | 0 | 0 | 1 | 4 | 44 | 0 | 4 | .100 | .122 | .100 | .222 | .025 | .000 | .121 | 2.27 | 15.91 | 7.00 | 0.00 | |
| 1979 | Houston Astros | NL | MLB | HOU | 37 | 24 | P | 19 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1983 | Wichita Aeros | Amer | AAA | MON | - | 28 | P | 28 | 7 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 8 | 1 | 0 | .143 | .143 | .286 | .429 | .143 | .143 | .500 | 0.00 | 62.50 | 0.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 58 | 48 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 9 | 0 | 6 | 0 | 0 | 1 | 5 | 55 | 0 | 5 | .104 | .122 | .104 | .227 | .021 | .000 | .128 | 1.82 | 16.36 | 9.00 | |||||||
| Tot: | NL (3 yrs) | NL | 58 | 48 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 9 | 0 | 6 | 0 | 0 | 1 | 5 | 55 | 0 | 5 | .104 | .122 | .104 | .227 | .021 | .000 | .128 | 1.82 | 16.36 | 9.00 | |||||||
| Tot: | Minors (2 yrs) | Minors | 49 | 7 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 8 | 1 | 0 | .143 | .143 | .286 | .429 | .143 | .143 | .500 | 0.00 | 62.50 | ||||||||
| Tot: | AAA (2 yrs) | AAA | 49 | 7 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 8 | 1 | 0 | .143 | .143 | .286 | .429 | .143 | .143 | .500 | 0.00 | 62.50 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 35 | 67 | 45 | 55 | 45 | 63 | .503 |