| 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 |
| 1969 | Chicago White Sox | AL | MLB | CHA | 42 | 19 | 1 | 3 | 3.22 | 4 | 3 | 0 | 0 | 1 | 1 | 0 | 22.1 | 22 | 11 | 8 | 2 | 6 | 18 | 2 | 1 | 0 | 1.25 | 8.87 | 0.81 | 2.42 | 7.25 | 4.43 | 3.00 |
| 1970 | Chicago White Sox | AL | MLB | CHA | 42 | 20 | 4 | 7 | 4.82 | 18 | 15 | 2 | 1 | 3 | 1 | 0 | 89.2 | 92 | 53 | 48 | 11 | 46 | 71 | 4 | 1 | 2 | 1.54 | 9.23 | 1.10 | 4.62 | 7.13 | 5.32 | 1.54 |
| 1971 | Chicago White Sox | AL | MLB | CHA | 21,42 | 21 | 12 | 10 | 2.93 | 53 | 16 | 4 | 0 | 37 | 24 | 14 | 178.0 | 148 | 67 | 58 | 9 | 111 | 153 | 11 | 0 | 6 | 1.46 | 7.48 | 0.46 | 5.61 | 7.74 | 3.39 | 1.38 |
| 1972 | Chicago White Sox | AL | MLB | CHA | 21 | 22 | 0 | 3 | 9.22 | 9 | 0 | 0 | 0 | 9 | 5 | 1 | 13.2 | 18 | 20 | 14 | 2 | 13 | 9 | 2 | 0 | 1 | 2.27 | 11.85 | 1.32 | 8.56 | 5.93 | 13.17 | 0.69 |
| 1973 | Chicago White Sox | AL | MLB | CHA | 21 | 23 | 3 | 3 | 4.13 | 22 | 9 | 0 | 0 | 13 | 6 | 0 | 80.2 | 76 | 39 | 37 | 6 | 40 | 56 | 1 | 0 | 2 | 1.44 | 8.48 | 0.67 | 4.46 | 6.25 | 4.35 | 1.40 |
| 1974 | Chicago White Sox | AL | MLB | CHA | 21 | 24 | 10 | 4 | 2.74 | 18 | 18 | 8 | 2 | 0 | 0 | 0 | 121.2 | 105 | 42 | 37 | 6 | 32 | 76 | 1 | 0 | 1 | 1.13 | 7.77 | 0.44 | 2.37 | 5.62 | 3.11 | 2.38 |
| 1976 | Chicago White Sox | AL | MLB | CHA | 21 | 26 | 9 | 16 | 4.73 | 32 | 32 | 8 | 3 | 0 | 0 | 0 | 211.1 | 231 | 115 | 111 | 20 | 62 | 91 | 4 | 0 | 1 | 1.39 | 9.84 | 0.85 | 2.64 | 3.88 | 4.90 | 1.47 |
| 1977 | Chicago White Sox | AL | MLB | CHA | 24 | 27 | 4 | 5 | 4.01 | 29 | 4 | 0 | 0 | 25 | 11 | 2 | 92.0 | 114 | 48 | 41 | 5 | 38 | 46 | 3 | 0 | 2 | 1.65 | 11.15 | 0.49 | 3.72 | 4.50 | 4.70 | 1.21 |
| 1978 | Vancouver Canadians | PCL | AAA | OAK | - | 28 | 0 | 1 | 36.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 1 | 7.00 | 45.00 | 9.00 | 18.00 | 0.00 | 36.00 | 0.00 |
| 1979 | Iowa Oaks | Amer | AAA | CHA | - | 29 | 1 | 5 | 4.58 | 8 | 8 | 1 | 0 | 0 | 0 | 0 | 53.0 | 60 | 34 | 27 | 4 | 16 | 14 | 1 | 0 | 0 | 1.43 | 10.19 | 0.68 | 2.72 | 2.38 | 5.77 | 0.88 |
| Tot: | MLB (8 yrs) | MLB | 43 | 51 | 3.94 | 185 | 97 | 22 | 6 | 48 | 88 | 17 | 809.1 | 806 | 395 | 354 | 61 | 348 | 520 | 28 | 2 | 15 | 1.43 | 8.96 | 0.68 | 3.87 | 5.78 | 4.39 | 1.49 | ||||
| Tot: | AL (8 yrs) | AL | 43 | 51 | 3.94 | 185 | 97 | 22 | 6 | 48 | 88 | 17 | 809.1 | 806 | 395 | 354 | 61 | 348 | 520 | 28 | 2 | 15 | 1.43 | 8.96 | 0.68 | 3.87 | 5.78 | 4.39 | 1.49 | ||||
| Tot: | Minors (2 yrs) | Minors | 1 | 6 | 5.17 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | 54.0 | 65 | 38 | 31 | 5 | 18 | 14 | 1 | 0 | 1 | 1.54 | 10.83 | 0.83 | 3.00 | 2.33 | 6.33 | 0.78 | ||||
| Tot: | AAA (2 yrs) | AAA | 1 | 6 | 5.17 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | 54.0 | 65 | 38 | 31 | 5 | 18 | 14 | 1 | 0 | 1 | 1.54 | 10.83 | 0.83 | 3.00 | 2.33 | 6.33 | 0.78 | ||||
| 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 |
| 1969 | Chicago White Sox | AL | MLB | CHA | 42 | 19 | P | 4 | 6 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 1 | .167 | .375 | .167 | .542 | .500 | .000 | .200 | 25.00 | 12.50 | 0.50 | 0.00 | |
| 1970 | Chicago White Sox | AL | MLB | CHA | 42 | 20 | P | 18 | 29 | 3 | 8 | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 6 | 0 | 2 | 0 | 0 | 0 | 10 | 32 | 2 | 6 | .276 | .300 | .345 | .645 | .103 | .069 | .348 | 3.13 | 18.75 | 6.00 | 0.00 | |
| 1971 | Chicago White Sox | AL | MLB | CHA | 21,42 | 21 | P | 53 | 57 | 3 | 11 | 1 | 0 | 0 | 8 | 0 | 0 | 0 | 12 | 1 | 3 | 0 | 0 | 1 | 12 | 61 | 1 | 10 | .193 | .207 | .211 | .418 | .018 | .018 | .244 | 0.00 | 19.67 | 0.00 | 0.00 | |
| 1972 | Chicago White Sox | AL | MLB | CHA | 21 | 22 | P | 9 | 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 | |
| Tot: | MLB (4 yrs) | MLB | 84 | 93 | 7 | 20 | 3 | 0 | 0 | 11 | 1 | 0 | 3 | 19 | 1 | 5 | 0 | 0 | 1 | 23 | 102 | 3 | 17 | .215 | .247 | .247 | .495 | .075 | .032 | .270 | 2.94 | 18.63 | 6.33 | |||||||
| Tot: | AL (4 yrs) | AL | 84 | 93 | 7 | 20 | 3 | 0 | 0 | 11 | 1 | 0 | 3 | 19 | 1 | 5 | 0 | 0 | 1 | 23 | 102 | 3 | 17 | .215 | .247 | .247 | .495 | .075 | .032 | .270 | 2.94 | 18.63 | 6.33 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 60 | 55 | 45 | 55 | 45 | 45 | .477 |