| 1976-05-16 | 27.325 | 1976 | W 5-4 @ ATL | | | 5 | 5 | 3 | 3 | 1 | 5 | 6 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | | 243 | 74-97 | 1000th career strikeout |
| 1974-09-29 | 26.095 | 1974 | W 7-3 vs SFN | W | | 7.2 | 7 | 3 | 2 | 0 | 4 | 11 | 0 | 0 | 0 | 35 | 0 | 0 | 0 | | 211 | 64-89 | 11 Strikeouts |
| 1974-08-12 | 26.048 | 1974 | L 7-4 vs PIT | L | | 4 | 6 | 5 | 4 | 2 | 1 | 3 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | | 200 | 59-87 | 200th career game |
| 1974-05-12 | 25.321 | 1974 | W 4-2 vs HOU | W | CG | 9 | 2 | 2 | 2 | 1 | 2 | 10 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | | 182 | 54-83 | 10 Strikeouts, 2-hitter |
| 1973-06-23 | 24.363 | 1973 | W 2-0 vs ATL | W | SHO | 9 | 3 | 0 | 0 | 0 | 1 | 13 | 1 | 0 | 0 | 32 | 0 | 0 | 0 | | 156 | 47-70 | 13 Strikeouts, Complete game/Shutout, 3-hitter |
| 1973-06-02 | 24.342 | 1973 | W 3-0 vs NYN | W | SHO | 9 | 5 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | 35 | 0 | 0 | 0 | | 151 | 46-67 | Complete game/Shutout |
| 1972-07-11 | 24.016 | 1972 | L 6-5 @ MON | | | 6 | 5 | 5 | 5 | 1 | 3 | 10 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | | 127 | 38-56 | 10 Strikeouts |
| 1972-07-07 | 24.012 | 1972 | W 6-1 @ PHI | W | | 9 | 8 | 1 | 1 | 0 | 1 | 11 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | | 126 | 38-56 | 11 Strikeouts |
| 1971-09-29 | 23.095 | 1971 | W 4-1 vs SFN | W | CG | 10 | 7 | 1 | 1 | 0 | 5 | 11 | 0 | 0 | 0 | 42 | 0 | 0 | 0 | | 107 | 32-48 | 11 Strikeouts |
| 1971-09-18 | 23.084 | 1971 | W 2-1 @ SFN | W | CG | 9 | 1 | 1 | 1 | 1 | 1 | 10 | 0 | 0 | 0 | 29 | 100 | 72 | 28 | 72% | 106 | 31-48 | 10 Strikeouts, 1-hitter |
| 1971-08-30 | 23.065 | 1971 | W 4-3 @ CIN | W | | 9 | 5 | 3 | 2 | 0 | 3 | 11 | 0 | 0 | 0 | 35 | 0 | 0 | 0 | | 103 | 30-46 | 11 Strikeouts |
| 1971-08-25 | 23.060 | 1971 | W 7-0 @ PHI | W | | 9 | 6 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 32 | 50 | 50 | 0 | 100% | 102 | 29-46 | Threw 100% strikes |
| 1971-08-01 | 23.036 | 1971 | W 2-0 vs ATL | W | SHO | 9 | 5 | 0 | 0 | 0 | 1 | 8 | 1 | 0 | 1 | 33 | 0 | 0 | 0 | | 97 | 27-44 | Complete game/Shutout |
| 1971-07-19 | 23.023 | 1971 | W 4-3 @ CIN | | | 6 | 3 | 3 | 2 | 1 | 3 | 11 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | | 94 | 25-43 | 11 Strikeouts |
| 1971-07-07 | 23.011 | 1971 | W 4-1 vs SLN | W | CG | 9 | 3 | 1 | 1 | 0 | 2 | 5 | 1 | 0 | 0 | 31 | 0 | 0 | 0 | | 92 | 24-43 | 3-hitter |
| 1971-06-10 | 22.349 | 1971 | W 4-2 @ NYN | W | | 9 | 4 | 2 | 2 | 1 | 1 | 13 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | | 86 | 21-42 | 13 Strikeouts |
| 1971-05-09 | 22.318 | 1971 | W 7-2 vs CIN | W | CG | 9 | 9 | 2 | 1 | 0 | 4 | 12 | 0 | 0 | 0 | 40 | 0 | 0 | 0 | | 80 | 18-39 | 12 Strikeouts |
| 1970-09-13 | 22.079 | 1970 | W 5-4 vs CIN | W | | 8 | 5 | 4 | 4 | 1 | 4 | 11 | 0 | 0 | 0 | 33 | 0 | 0 | 0 | | 68 | 17-35 | 11 Strikeouts |
| 1970-07-12 | 22.017 | 1970 | W 4-1 vs LAN | W | CG | 9 | 3 | 1 | 0 | 0 | 5 | 10 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | | 56 | 12-30 | 10 Strikeouts, 3-hitter |
| 1969-04-27 | 20.306 | 1969 | W 5-2 vs CIN | W | | 6 | 2 | 0 | 0 | 0 | 1 | 9 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | | 4 | 1-3 | 1st career win |
| 1969-04-11 | 20.290 | 1969 | L 8-0 vs SFN | L | | 4 | 5 | 4 | 3 | 1 | 2 | 2 | 1 | 0 | 0 | 20 | 0 | 0 | 0 | | 1 | 0-1 | 1st career game |