| 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 |
| 1974 | Chicago Cubs | NL | MLB | CHN | 45 | 29 | 3 | 9 | 3.12 | 56 | 0 | 0 | 0 | 56 | 31 | 10 | 83.2 | 82 | 33 | 29 | 6 | 19 | 38 | 0 | 1 | 0 | 1.21 | 8.82 | 0.65 | 2.04 | 4.09 | 3.55 | 2.00 |
| 1975 | Chicago Cubs | NL | MLB | CHN | 45 | 30 | 5 | 2 | 5.07 | 52 | 0 | 0 | 0 | 52 | 31 | 10 | 71.0 | 84 | 42 | 40 | 17 | 15 | 28 | 1 | 0 | 0 | 1.39 | 10.65 | 2.15 | 1.90 | 3.55 | 5.32 | 1.87 |
| 1976 | Wichita Aeros | Amer | AAA | CHN | - | 31 | 2 | 3 | 7.36 | 14 | 0 | 0 | 0 | 14 | 0 | 2 | 22.0 | 29 | 22 | 18 | 2 | 6 | 20 | 1 | 0 | 0 | 1.59 | 11.86 | 0.82 | 2.45 | 8.18 | 9.00 | 3.33 |
| 1976 | Chicago Cubs | NL | MLB | CHN | 45 | 31 | 5 | 3 | 5.24 | 40 | 2 | 0 | 0 | 38 | 13 | 3 | 55.0 | 70 | 34 | 32 | 8 | 17 | 27 | 1 | 1 | 1 | 1.58 | 11.45 | 1.31 | 2.78 | 4.42 | 5.56 | 1.59 |
| 1977 | Wichita Aeros | Amer | AAA | CHN | - | 32 | 7 | 2 | 4.39 | 59 | 0 | 0 | 0 | 59 | 0 | 17 | 80.0 | 81 | 40 | 39 | 13 | 17 | 42 | 2 | 0 | 0 | 1.23 | 9.11 | 1.46 | 1.91 | 4.73 | 4.50 | 2.47 |
| 1978 | Charleston Charlies | IL | AAA | HOU | - | 33 | 1 | 2 | 2.12 | 20 | 0 | 0 | 0 | 20 | 0 | 10 | 34.0 | 30 | 8 | 8 | 4 | 4 | 24 | 1 | 0 | 1 | 1.00 | 7.94 | 1.06 | 1.06 | 6.35 | 2.12 | 6.00 |
| 1978 | Houston Astros | NL | MLB | HOU | 44 | 33 | 0 | 0 | 7.20 | 10 | 0 | 0 | 0 | 10 | 1 | 0 | 15.0 | 20 | 12 | 12 | 2 | 7 | 6 | 0 | 1 | 0 | 1.80 | 12.00 | 1.20 | 4.20 | 3.60 | 7.20 | 0.86 |
| 1982 | Miami Marlins | FSL | A+ | - | 37 | 4 | 3 | 3.18 | 16 | 6 | 1 | 0 | 10 | 10 | 1 | 68.0 | 70 | 26 | 24 | 4 | 11 | 29 | 0 | 0 | 1 | 1.19 | 9.26 | 0.53 | 1.46 | 3.84 | 3.44 | 2.64 | |
| Tot: | MLB (4 yrs) | MLB | 13 | 14 | 4.53 | 158 | 2 | 0 | 0 | 76 | 156 | 23 | 224.2 | 256 | 121 | 113 | 33 | 58 | 99 | 2 | 3 | 1 | 1.40 | 10.26 | 1.32 | 2.32 | 3.97 | 4.85 | 1.71 | ||||
| Tot: | NL (4 yrs) | NL | 13 | 14 | 4.53 | 158 | 2 | 0 | 0 | 76 | 156 | 23 | 224.2 | 256 | 121 | 113 | 33 | 58 | 99 | 2 | 3 | 1 | 1.40 | 10.26 | 1.32 | 2.32 | 3.97 | 4.85 | 1.71 | ||||
| Tot: | Minors (4 yrs) | Minors | 14 | 10 | 3.93 | 109 | 6 | 1 | 0 | 10 | 103 | 30 | 204.0 | 210 | 96 | 89 | 23 | 38 | 115 | 4 | 0 | 2 | 1.22 | 9.26 | 1.01 | 1.68 | 5.07 | 4.24 | 3.03 | ||||
| Tot: | A+ (1 yrs) | A+ | 4 | 3 | 3.18 | 16 | 6 | 1 | 0 | 10 | 10 | 1 | 68.0 | 70 | 26 | 24 | 4 | 11 | 29 | 0 | 0 | 1 | 1.19 | 9.26 | 0.53 | 1.46 | 3.84 | 3.44 | 2.64 | ||||
| Tot: | AAA (3 yrs) | AAA | 10 | 7 | 4.30 | 93 | 0 | 0 | 0 | 0 | 93 | 29 | 136.0 | 140 | 70 | 65 | 19 | 27 | 86 | 4 | 0 | 1 | 1.23 | 9.26 | 1.26 | 1.79 | 5.69 | 4.63 | 3.19 | ||||
| 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 |
| 1974 | Chicago Cubs | NL | MLB | CHN | 45 | 29 | P | 56 | 11 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 2 | 14 | 0 | 2 | .182 | .182 | .182 | .364 | .000 | .000 | .200 | 0.00 | 7.14 | 0.00 | 0.00 | |
| 1975 | Chicago Cubs | NL | MLB | CHN | 45 | 30 | P | 52 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 10 | 0 | 1 | .167 | .167 | .167 | .334 | .000 | .000 | .167 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1976 | Wichita Aeros | Amer | AAA | CHN | - | 31 | P | 14 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | .333 | .333 | .667 | 1.000 | .333 | .334 | .500 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1976 | Chicago Cubs | NL | MLB | CHN | 45 | 31 | P | 40 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1977 | Wichita Aeros | Amer | AAA | CHN | - | 32 | P | 59 | 13 | 1 | 3 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 6 | 16 | 1 | 2 | .231 | .231 | .462 | .693 | .231 | .231 | .222 | 0.00 | 18.75 | 0.00 | 13.00 | |
| 1978 | Houston Astros | NL | MLB | HOU | 44 | 33 | P | 10 | 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 (4 yrs) | MLB | 158 | 28 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 7 | 0 | 0 | 1 | 3 | 35 | 0 | 3 | .107 | .107 | .107 | .214 | .000 | .000 | .130 | 0.00 | 14.29 | ||||||||
| Tot: | NL (4 yrs) | NL | 158 | 28 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 7 | 0 | 0 | 1 | 3 | 35 | 0 | 3 | .107 | .107 | .107 | .214 | .000 | .000 | .130 | 0.00 | 14.29 | ||||||||
| Tot: | Minors (2 yrs) | Minors | 73 | 16 | 1 | 4 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | 0 | 0 | 8 | 19 | 2 | 2 | .250 | .250 | .500 | .750 | .250 | .250 | .273 | 0.00 | 21.05 | 16.00 | |||||||
| Tot: | AAA (2 yrs) | AAA | 73 | 16 | 1 | 4 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | 0 | 0 | 8 | 19 | 2 | 2 | .250 | .250 | .500 | .750 | .250 | .250 | .273 | 0.00 | 21.05 | 16.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 38 | 84 | 32 | 78 | 32 | 61 | .470 |