| Year | Team | Lg | Level | Unif | Org | Age | Rk | G | GS | IP | ERA | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO | GB/FB | QS | HB | AB | Bavg | TBF | Pit/B | Bal | Str | Sw | Record | TR | Manager(s) |
| 1971 | Cincinnati | NL | MLB | 48 | cin | 21 | 68 | 26 | 26 | 161.1 | 3.57 | 1.20 | 8.42 | 0.84 | 2.40 | 3.74 | 0.64 | 0.90 | 14 | 2 | 605 | .250 | 660 | -- | -- | -- | -- | 79-83 | 5 | Sparky Anderson |
| 1972 | Cincinnati | NL | MLB | 48 | cin | 22 | 41 | 30 | 28 | 197.2 | 3.05 | 1.23 | 8.83 | 0.82 | 2.28 | 3.60 | 0.63 | 0.73 | 20 | 0 | 745 | .260 | 813 | -- | -- | -- | -- | 95-59 | 1 | Sparky Anderson |
| 1973 | Cincinnati | NL | MLB | 48 | cin | 23 | 40 | 38 | 36 | 242.1 | 3.23 | 1.29 | 9.10 | 0.89 | 2.53 | 3.34 | 0.76 | 0.76 | 21 | 0 | 895 | .274 | 982 | -- | -- | -- | -- | 99-63 | 1 | Sparky Anderson |
| 1974 | Baltimore | AL | MLB | 39 | bal | 24 | 9 | 40 | 39 | 295.2 | 3.07 | 1.16 | 8.13 | 0.79 | 2.31 | 4.81 | 0.48 | 1.08 | 26 | 3 | 1095 | .244 | 1198 | -- | -- | -- | -- | 91-71 | 1 | Earl Weaver |
| 1975 | Baltimore | AL | MLB | 39 | bal | 25 | 31 | 35 | 32 | 197.0 | 4.07 | 1.30 | 9.59 | 1.32 | 2.15 | 4.07 | 0.53 | 1.09 | 14 | 1 | 761 | .276 | 822 | -- | -- | -- | -- | 90-69 | 2 | Earl Weaver |
| 1976 | Baltimore | AL | MLB | 39,48 | bal | 26 | - | 28 | 19 | 136.2 | 3.95 | 1.30 | 9.42 | 0.53 | 2.30 | 2.70 | 0.85 | 1.01 | 10 | 1 | 529 | .270 | 577 | -- | -- | -- | -- | 88-74 | 2 | Earl Weaver |
| 1977 | Baltimore | AL | MLB | 48 | bal | 27 | 39 | 34 | 34 | 218.1 | 3.96 | 1.39 | 9.48 | 0.99 | 3.05 | 2.18 | 1.40 | 1.35 | 17 | 1 | 829 | .277 | 923 | -- | -- | -- | -- | 97-64 | 2 | Earl Weaver |
| 1978 | Montreal | NL | MLB | 48 | mtl | 28 | 9 | 36 | 36 | 263.0 | 3.05 | 1.16 | 8.11 | 0.58 | 2.29 | 2.87 | 0.80 | 1.10 | 26 | 2 | 975 | .243 | 1068 | 0.06 | 26.2 | 73.8 | 34.4 | 76-86 | 4 | Dick Williams |
| 1979 | Montreal | NL | MLB | 48 | mtl | 29 | 72 | 32 | 27 | 151.1 | 5.35 | 1.59 | 11.83 | 1.07 | 2.44 | 2.50 | 0.98 | 1.43 | 10 | 3 | 618 | .322 | 678 | 0.26 | 44.3 | 55.7 | 5.7 | 95-65 | 2 | Dick Williams |
| 1980 | Montreal | NL | MLB | 48 | mtl | 30 | - | 11 | 7 | 41.1 | 6.31 | 1.77 | 13.28 | 1.09 | 2.61 | 2.40 | 1.09 | 1.02 | 2 | 1 | 174 | .351 | 196 | -- | -- | -- | -- | 90-72 | 2 | Dick Williams |
| Cleveland | AL | MLB | 48 | cle | 30 | - | 14 | 11 | 74.2 | 6.75 | 1.70 | 12.42 | 1.33 | 2.89 | 2.17 | 1.33 | 0.98 | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 79-81 | 6 | Dave Garcia | |
| 1981 | Char., W.Va. | IL | AAA | - | cle | 31 | - | 4 | 4 | 22.0 | 3.27 | 1.41 | 10.23 | -- | 2.45 | 3.68 | 0.67 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 67-72 | 5 | Cal Emery, Frank Lucchesi |
| 1982 | Rochester | IL | AAA | - | bal | 32 | - | 6 | 0 | 10.1 | 8.71 | 2.23 | 11.32 | 1.74 | 8.71 | 0.87 | 10.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 72-68 | 4 | Lance Nichols |
| Baltimore | AL | MLB | 48 | bal | 32 | - | 21 | 0 | 60.0 | 5.25 | 1.45 | 9.75 | 1.05 | 3.30 | 2.70 | 1.22 | 0.86 | 0 | 0 | 230 | .283 | 257 | -- | -- | -- | -- | 94-68 | 2 | Earl Weaver | |
| 1984 | Chattanooga | Sou | AA | 29 | sea | 34 | - | 1 | 0 | 2.0 | 0.00 | 1.00 | 9.00 | -- | 0.00 | 4.50 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 63-81 | 5 | Bill Plummer |
| 1985 | Chattanooga | Sou | AA | - | sea | 35 | - | 1 | 0 | 1.0 | 27.00 | 4.00 | 18.00 | 9.00 | 18.00 | 18.00 | 1.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 66-77 | 3 | Bill Plummer |
| 1986 | Calgary | PCL | AAA | - | sea | 36 | - | 3 | 0 | 6.0 | 10.50 | 2.83 | 21.00 | 1.50 | 4.50 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 66-77 | 5 | Bill Plummer |
| MLB Totals (11 years) | 345 | 295 | 2039 | 9 | 1.31 | 9.29 | 0.89 | 2.47 | 3.31 | 0.75 | 1.02 | 160 | 14 | 7456 | .282 | 8174 | -- | 39.6 | 60.4 | 13.2 | .557 | -- | ||||||||
| Minor League Totals (5 years) | 15 | 4 | 41 | 0 | 1.88 | 12.29 | 0.88 | 4.61 | 2.85 | 1.62 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .471 | -- | ||||||||
| AAA Totals (3 years) | 13 | 4 | 38 | 0 | 1.87 | 12.32 | 0.71 | 4.50 | 2.37 | 1.90 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .486 | -- | ||||||||
| AA Totals (2 years) | 2 | 0 | 3 | 0 | 2.00 | 12.00 | 3.00 | 6.00 | 9.00 | 0.67 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .449 | -- | ||||||||