| 1959 | Lincoln | III | B | - | chw | 21 | - | 18 | | 91.0 | 5.64 | 1.66 | 10.29 | -- | 4.65 | 6.63 | 0.70 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0-0 | 0 | -- |
| 1960 | Charleston (Sc) | SAL | A | - | chw | 22 | - | 26 | | 120.0 | 2.93 | 1.29 | 8.18 | -- | 3.45 | 5.78 | 0.60 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0-0 | 0 | -- |
| 1961 | San Diego | PCL | AAA | - | chw | 23 | - | 30 | | 197.0 | 2.51 | 1.31 | 7.49 | -- | 4.29 | 6.26 | 0.69 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0-0 | 0 | -- |
| | Chi White Sox | AL | MLB | 20 | chw | 23 | - | 5 | 4 | 17.2 | 6.62 | 2.15 | 12.74 | 1.02 | 6.62 | 5.60 | 1.18 | 0.95 | 0 | 0 | 74 | .338 | 88 | -- | -- | -- | -- | 86-76 | 4 | Al Lopez |
| 1962 | Chi White Sox | AL | MLB | 20 | chw | 24 | - | 20 | 19 | 108.2 | 4.89 | 1.39 | 8.94 | 0.83 | 3.56 | 5.22 | 0.68 | 1.79 | 6 | 2 | 412 | .262 | 463 | -- | -- | -- | -- | 85-77 | 5 | Al Lopez |
| 1963 | Indianapolis | IL | AAA | - | chw | 25 | - | 4 | | 31.0 | 1.74 | 0.84 | 6.39 | -- | 1.16 | 9.58 | 0.12 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0-0 | 0 | -- |
| | Chi White Sox | AL | MLB | 20 | chw | 25 | - | 33 | 21 | 124.0 | 3.27 | 1.43 | 8.85 | 0.73 | 3.99 | 4.43 | 0.90 | 1.56 | 11 | 2 | 468 | .261 | 533 | -- | -- | -- | -- | 94-68 | 2 | Al Lopez |
| 1964 | Chi White Sox | AL | MLB | 20 | chw | 26 | 10 | 32 | 28 | 210.2 | 1.88 | 0.94 | 6.07 | 0.47 | 2.35 | 5.90 | 0.40 | 1.83 | 21 | 4 | 746 | .190 | 815 | -- | -- | -- | -- | 98-64 | 2 | Al Lopez |
| 1965 | Chi White Sox | AL | MLB | 20 | chw | 27 | 14 | 34 | 34 | 219.0 | 2.88 | 1.11 | 8.34 | 0.66 | 1.60 | 5.14 | 0.31 | 1.29 | 19 | 3 | 826 | .246 | 886 | -- | -- | -- | -- | 95-67 | 2 | Al Lopez |
| 1966 | Chi White Sox | AL | MLB | 20 | chw | 28 | 17 | 37 | 29 | 211.0 | 2.43 | 1.13 | 7.89 | 0.60 | 2.26 | 5.29 | 0.43 | 2.20 | 21 | 6 | 794 | .233 | 863 | -- | -- | -- | -- | 83-79 | 4 | Eddie Stanky |
| 1967 | Chi White Sox | AL | MLB | 20 | chw | 29 | 2 | 35 | 35 | 258.0 | 2.06 | 0.95 | 6.56 | 0.45 | 2.02 | 3.59 | 0.56 | 1.65 | 26 | 4 | 926 | .203 | 996 | -- | -- | -- | -- | 89-73 | 4 | Eddie Stanky |
| 1968 | Chi White Sox | AL | MLB | 20 | chw | 30 | 28 | 35 | 35 | 223.2 | 2.37 | 1.19 | 7.93 | 0.64 | 2.82 | 4.10 | 0.69 | 1.62 | 26 | 14 | 829 | .238 | 928 | -- | -- | -- | -- | 67-95 | 9 | Eddie Stanky, Al Lopez, Les Moss |
| 1969 | Chi White Sox | AL | MLB | 20 | chw | 31 | 30 | 36 | 35 | 235.2 | 3.78 | 1.33 | 9.05 | 0.76 | 2.94 | 4.62 | 0.64 | 1.74 | 25 | 5 | 907 | .261 | 1001 | -- | -- | -- | -- | 68-94 | 5 | Don Gutteridge, Al Lopez |
| 1970 | Chi White Sox | AL | MLB | 20 | chw | 32 | 38 | 28 | 26 | 172.1 | 4.86 | 1.39 | 10.34 | 0.94 | 2.14 | 4.02 | 0.53 | 2.14 | 13 | 4 | 690 | .287 | 742 | -- | -- | -- | -- | 56-106 | 6 | Don Gutteridge, Chuck Tanner, Bill Adair |
| 1971 | Chi White Sox | AL | MLB | 20 | chw | 33 | - | 34 | 18 | 137.1 | 4.26 | 1.31 | 9.83 | 0.79 | 1.97 | 5.37 | 0.37 | 1.28 | 9 | 5 | 528 | .284 | 575 | -- | -- | -- | -- | 79-83 | 3 | Chuck Tanner |
| 1972 | Oakland | AL | MLB | 22 | oak | 34 | - | 32 | 6 | 84.0 | 3.00 | 1.12 | 7.93 | 0.32 | 2.14 | 6.21 | 0.34 | 1.30 | 3 | 4 | 313 | .236 | 339 | -- | -- | -- | -- | 93-62 | 1 | Dick Williams |
| Minor League Totals (3 years) | 60 | 0 | 348 | 0 | 1.26 | 7.63 | 0.00 | 3.72 | 6.39 | 0.58 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |
| AAA Totals (2 years) | 34 | 0 | 228 | 0 | 1.25 | 7.34 | 0.00 | 3.87 | 6.71 | 0.58 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |
| A Totals (1 year) | 26 | 0 | 120 | 0 | 1.29 | 8.18 | 0.00 | 3.45 | 5.78 | 0.60 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |