| 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 |
| 1976 | Memphis Blues | IL | AAA | HOU | - | 22 | 8 | 9 | 3.67 | 20 | 19 | 7 | 2 | 1 | 0 | 0 | 147.0 | 137 | 71 | 60 | 13 | 53 | 117 | 6 | 0 | 3 | 1.29 | 8.39 | 0.80 | 3.24 | 7.16 | 4.35 | 2.21 |
| 1976 | Houston Astros | NL | MLB | HOU | 39 | 22 | 4 | 5 | 2.85 | 17 | 11 | 4 | 2 | 6 | 3 | 1 | 79.0 | 71 | 31 | 25 | 6 | 17 | 32 | 2 | 0 | 2 | 1.11 | 8.09 | 0.68 | 1.94 | 3.65 | 3.53 | 1.88 |
| 1977 | Houston Astros | NL | MLB | HOU | 39 | 23 | 4 | 7 | 4.25 | 46 | 6 | 0 | 0 | 40 | 29 | 5 | 84.2 | 81 | 44 | 40 | 6 | 34 | 59 | 3 | 1 | 6 | 1.36 | 8.61 | 0.64 | 3.61 | 6.27 | 4.68 | 1.74 |
| 1978 | Charleston Charlies | IL | AAA | HOU | - | 24 | 8 | 5 | 3.72 | 22 | 19 | 5 | 0 | 3 | 0 | 0 | 138.0 | 128 | 59 | 57 | 11 | 37 | 63 | 6 | 0 | 3 | 1.20 | 8.35 | 0.72 | 2.41 | 4.11 | 3.85 | 1.70 |
| 1978 | Houston Astros | NL | MLB | HOU | 39 | 24 | 0 | 1 | 5.01 | 12 | 1 | 0 | 0 | 11 | 5 | 2 | 23.1 | 30 | 17 | 13 | 2 | 16 | 10 | 3 | 1 | 2 | 1.97 | 11.57 | 0.77 | 6.17 | 3.86 | 6.56 | 0.63 |
| 1979 | Houston Astros | NL | MLB | HOU | 39 | 25 | 1 | 2 | 5.51 | 12 | 0 | 0 | 0 | 12 | 3 | 0 | 16.1 | 22 | 15 | 10 | 2 | 4 | 12 | 1 | 0 | 0 | 1.59 | 12.12 | 1.10 | 2.20 | 6.61 | 8.27 | 3.00 |
| 1979 | Atlanta Braves | NL | MLB | ATL | 32 | 25 | 1 | 1 | 4.89 | 37 | 1 | 0 | 0 | 36 | 12 | 0 | 49.2 | 63 | 33 | 27 | 2 | 16 | 45 | 1 | 0 | 2 | 1.59 | 11.42 | 0.36 | 2.90 | 8.15 | 5.98 | 2.81 |
| 1980 | Richmond Braves | IL | AAA | ATL | - | 26 | 1 | 1 | 4.50 | 7 | 6 | 0 | 0 | 1 | 0 | 0 | 28.0 | 32 | 14 | 14 | 0 | 10 | 20 | 6 | 0 | 1 | 1.50 | 10.29 | 0.00 | 3.21 | 6.43 | 4.50 | 2.00 |
| 1981 | Oakland Athletics | AL | MLB | OAK | 34 | 27 | 0 | 0 | 11.57 | 11 | 0 | 0 | 0 | 11 | 4 | 1 | 11.2 | 17 | 15 | 15 | 1 | 9 | 3 | 2 | 0 | 1 | 2.23 | 13.11 | 0.77 | 6.94 | 2.31 | 11.57 | 0.33 |
| 1982 | Tacoma Tigers | PCL | AAA | OAK | - | 28 | 1 | 3 | 5.20 | 23 | 1 | 0 | 0 | 22 | 12 | 6 | 36.1 | 39 | 23 | 21 | 2 | 15 | 24 | 2 | 0 | 2 | 1.49 | 9.66 | 0.50 | 3.72 | 5.94 | 5.70 | 1.60 |
| 1982 | Oakland Athletics | AL | MLB | OAK | 34 | 28 | 0 | 4 | 4.84 | 21 | 2 | 1 | 0 | 19 | 6 | 0 | 48.1 | 51 | 31 | 26 | 3 | 27 | 27 | 2 | 0 | 1 | 1.61 | 9.50 | 0.56 | 5.03 | 5.03 | 5.77 | 1.00 |
| 1983 | Las Vegas Stars | PCL | AAA | SDN | - | 29 | 3 | 3 | 7.04 | 13 | 10 | 1 | 0 | 3 | 0 | 0 | 62.2 | 88 | 55 | 49 | 6 | 19 | 32 | 7 | 0 | 2 | 1.71 | 12.64 | 0.86 | 2.73 | 4.60 | 7.90 | 1.68 |
| 1984 | Phoenix Giants | PCL | AAA | SFN | - | 30 | 6 | 7 | 3.69 | 25 | 12 | 0 | 0 | 13 | 5 | 0 | 102.1 | 118 | 49 | 42 | 8 | 30 | 60 | 4 | 0 | 4 | 1.45 | 10.38 | 0.70 | 2.64 | 5.28 | 4.31 | 2.00 |
| Tot: | MLB (6 yrs) | MLB | 10 | 20 | 4.49 | 156 | 21 | 5 | 2 | 62 | 135 | 9 | 313.0 | 335 | 186 | 156 | 22 | 123 | 188 | 14 | 2 | 14 | 1.46 | 9.63 | 0.63 | 3.54 | 5.41 | 5.35 | 1.53 | ||||
| Tot: | NL (4 yrs) | NL | 10 | 16 | 4.09 | 124 | 19 | 4 | 2 | 52 | 105 | 8 | 253.0 | 267 | 140 | 115 | 18 | 87 | 158 | 10 | 2 | 12 | 1.40 | 9.50 | 0.64 | 3.09 | 5.62 | 4.98 | 1.82 | ||||
| Tot: | AL (2 yrs) | AL | 0 | 4 | 6.15 | 32 | 2 | 1 | 0 | 10 | 30 | 1 | 60.0 | 68 | 46 | 41 | 4 | 36 | 30 | 4 | 0 | 2 | 1.73 | 10.20 | 0.60 | 5.40 | 4.50 | 6.90 | 0.83 | ||||
| Tot: | Minors (6 yrs) | Minors | 27 | 28 | 4.25 | 110 | 67 | 13 | 2 | 17 | 43 | 6 | 514.1 | 542 | 271 | 243 | 40 | 164 | 316 | 31 | 0 | 15 | 1.37 | 9.48 | 0.70 | 2.87 | 5.53 | 4.74 | 1.93 | ||||
| Tot: | AAA (6 yrs) | AAA | 27 | 28 | 4.25 | 110 | 67 | 13 | 2 | 17 | 43 | 6 | 514.1 | 542 | 271 | 243 | 40 | 164 | 316 | 31 | 0 | 15 | 1.37 | 9.48 | 0.70 | 2.87 | 5.53 | 4.74 | 1.93 | ||||
| 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 | 39 | 22 | P | 17 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | .000 | .095 | .000 | .095 | .105 | .000 | .000 | 8.70 | 30.43 | 3.50 | 0.00 | |
| 1977 | Houston Astros | NL | MLB | HOU | 39 | 23 | P | 46 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 2 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | .000 | .100 | .000 | .100 | .111 | .000 | .000 | 8.33 | 66.67 | 8.00 | 0.00 | |
| 1978 | Houston Astros | NL | MLB | HOU | 39 | 24 | P | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | |
| 1979 | Houston Astros | NL | MLB | HOU | 39 | 25 | P | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1979 | Atlanta Braves | NL | MLB | ATL | 32 | 25 | P | 37 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1983 | Las Vegas Stars | PCL | AAA | SDN | - | 29 | P | 13 | 11 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 0 | 3 | .273 | .273 | .273 | .546 | .000 | .000 | .600 | 0.00 | 54.55 | 0.00 | 0.00 | |
| 1984 | Phoenix Giants | PCL | AAA | SFN | - | 30 | P | 25 | 19 | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 12 | 0 | 1 | 0 | 0 | 0 | 4 | 23 | 0 | 4 | .211 | .318 | .211 | .529 | .158 | .000 | .571 | 13.04 | 52.17 | 4.00 | 0.00 | |
| Tot: | MLB (4 yrs) | MLB | 124 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 20 | 0 | 5 | 0 | 0 | 0 | 0 | 45 | 0 | 0 | .000 | .075 | .000 | .075 | .081 | .000 | .000 | 6.67 | 44.44 | 6.67 | |||||||
| Tot: | NL (4 yrs) | NL | 124 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 20 | 0 | 5 | 0 | 0 | 0 | 0 | 45 | 0 | 0 | .000 | .075 | .000 | .075 | .081 | .000 | .000 | 6.67 | 44.44 | 6.67 | |||||||
| Tot: | Minors (2 yrs) | Minors | 38 | 30 | 2 | 7 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 18 | 0 | 1 | 0 | 0 | 0 | 7 | 34 | 0 | 7 | .233 | .303 | .233 | .536 | .100 | .000 | .583 | 8.82 | 52.94 | 6.00 | |||||||
| Tot: | AAA (2 yrs) | AAA | 38 | 30 | 2 | 7 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 18 | 0 | 1 | 0 | 0 | 0 | 7 | 34 | 0 | 7 | .233 | .303 | .233 | .536 | .100 | .000 | .583 | 8.82 | 52.94 | 6.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 49 | 64 | 37 | 64 | 37 | 51 | .508 |