| 1971-06-08 | 29.306 | 1971 | W 5-1 @ OAK | W | | 9 | 3 | 1 | 1 | 1 | 1 | 11 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | | 275 | 108-75 | 11 Strikeouts |
| 1971-05-02 | 29.269 | 1971 | W 1-0 vs MIN | W | SHO | 9 | 2 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | | 267 | 104-72 | Complete game/Shutout, 2-hitter |
| 1970-09-20 | 29.045 | 1970 | W 3-1 vs WS2 | W | CG | 9 | 5 | 1 | 1 | 0 | 3 | 7 | 0 | 0 | 2 | 37 | 0 | 0 | 0 | | 260 | 100-71 | 100th career win |
| 1970-07-29 | 28.357 | 1970 | W 4-1 @ OAK | W | | 9 | 5 | 1 | 1 | 1 | 3 | 12 | 1 | 0 | 0 | 34 | 0 | 0 | 0 | | 250 | 95-66 | 12 Strikeouts |
| 1970-06-23 | 28.321 | 1970 | W 5-1 vs BAL | W | CG | 9 | 3 | 1 | 0 | 0 | 3 | 8 | 1 | 0 | 0 | 33 | 0 | 0 | 0 | | 243 | 90-64 | 3-hitter |
| 1970-04-26 | 28.263 | 1970 | L 5-3 vs MIL | L | | 7 | 5 | 2 | 2 | 0 | 4 | 5 | 1 | 0 | 0 | 29 | 0 | 0 | 0 | | 232 | 85-60 | 1000th career strikeout |
| 1969-08-23 | 28.017 | 1969 | W 2-0 vs CHA | W | SHO | 9 | 5 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 33 | 0 | 0 | 0 | | 227 | 84-57 | Complete game/Shutout |
| 1969-06-24 | 27.322 | 1969 | L 6-3 vs CLE | L | | 7 | 4 | 4 | 4 | 1 | 2 | 11 | 1 | 0 | 1 | 28 | 0 | 0 | 0 | | 214 | 77-54 | 11 Strikeouts |
| 1969-05-14 | 27.281 | 1969 | W 2-1 @ OAK | W | CG | 9 | 6 | 1 | 1 | 0 | 3 | 11 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | | 205 | 73-50 | 11 Strikeouts |
| 1969-05-06 | 27.273 | 1969 | W 12-2 @ SE1 | W | | 9 | 5 | 2 | 2 | 0 | 7 | 10 | 0 | 0 | 0 | 39 | 0 | 0 | 0 | | 203 | 72-50 | 10 Strikeouts |
| 1969-04-22 | 27.259 | 1969 | W 8-3 vs NYA | W | CG | 9 | 4 | 3 | 2 | 1 | 1 | 5 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | | 200 | 70-49 | 200th career game |
| 1968-09-25 | 27.050 | 1968 | W 1-0 @ WS2 | W | | 9 | 6 | 0 | 0 | 0 | 3 | 11 | 1 | 0 | 0 | 34 | 0 | 0 | 0 | | 195 | 67-48 | 11 Strikeouts |
| 1968-09-21 | 27.046 | 1968 | W 2-0 @ NYA | W | SHO | 9 | 1 | 0 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | | 194 | 66-48 | 11 Strikeouts, Complete game/Shutout, 1-hitter |
| 1968-09-17 | 27.042 | 1968 | W 2-0 vs BAL | W | SHO | 9 | 5 | 0 | 0 | 0 | 4 | 12 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | | 193 | 65-48 | 12 Strikeouts, Complete game/Shutout |
| 1968-09-13 | 27.038 | 1968 | W 3-0 vs MIN | W | SHO | 9 | 6 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | | 192 | 64-48 | Complete game/Shutout |
| 1968-07-29 | 26.357 | 1968 | W 3-2 vs BAL | W | CG | 10 | 7 | 2 | 2 | 1 | 6 | 12 | 0 | 0 | 1 | 42 | 0 | 0 | 0 | | 183 | 58-47 | 12 Strikeouts |
| 1968-06-01 | 26.299 | 1968 | W 5-1 vs BAL | W | CG | 9 | 3 | 1 | 1 | 0 | 1 | 9 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | | 172 | 53-45 | 3-hitter |
| 1968-05-18 | 26.286 | 1968 | W 4-0 vs NYA | W | SHO | 9 | 4 | 0 | 0 | 0 | 4 | 10 | 2 | 0 | 0 | 32 | 0 | 0 | 0 | | 169 | 52-45 | 10 Strikeouts, Complete game/Shutout |
| 1967-06-28 | 25.326 | 1967 | W 3-1 vs PIT | W | CG | 9 | 3 | 1 | 1 | 0 | 2 | 6 | 0 | 0 | 0 | 33 | 0 | 0 | 0 | | 147 | 48-38 | 3-hitter |
| 1966-07-04 | 24.332 | 1966 | L 8-1 vs NYN | L | | 1.2 | 6 | 5 | 5 | 1 | 0 | 4 | 0 | 0 | 1 | 12 | 0 | 0 | 0 | | 115 | 39-32 | Struck out at least 2 batters per inning (1.2+ ip) |
| 1966-04-13 | 24.250 | 1966 | W 3-2 @ SLN | Sv | | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | | 98 | 36-28 | 1st career save |
| 1965-09-25 | 24.050 | 1965 | W 4-1 vs NYN | W | CG | 9 | 4 | 1 | 1 | 0 | 3 | 10 | 0 | 0 | 0 | 33 | 72 | 41 | 31 | 57% | 95 | 35-28 | 10 Strikeouts |
| 1965-09-20 | 24.045 | 1965 | W 4-1 @ MLN | W | | 9 | 10 | 1 | 1 | 1 | 2 | 10 | 0 | 0 | 0 | 38 | 0 | 0 | 0 | | 94 | 34-28 | 10 Strikeouts |
| 1965-09-13 | 24.038 | 1965 | W 4-3 vs MLN | W | CG | 9 | 10 | 3 | 3 | 0 | 2 | 11 | 0 | 0 | 1 | 38 | 0 | 0 | 0 | | 92 | 33-27 | 11 Strikeouts |
| 1965-07-29 | 23.357 | 1965 | W 5-0 @ PIT | W | | 9 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 30 | 0 | 0 | 0 | | 82 | 29-24 | 10 Strikeouts |
| 1965-07-01 | 23.329 | 1965 | W 2-1 vs MLN | W | CG | 9 | 3 | 1 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | | 76 | 27-22 | 3-hitter |
| 1964-06-23 | 22.322 | 1964 | W 9-0 vs CHN | W | SHO | 9 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | | 47 | 18-16 | Complete game/Shutout, 1-hitter |
| 1963-07-01 | 21.329 | 1963 | L 2-1 vs PIT | L | CG | 9 | 9 | 2 | 2 | 0 | 5 | 10 | 0 | 0 | 0 | 39 | 157 | 94 | 63 | 60% | 19 | 10-6 | 10 Strikeouts |
| 1963-06-22 | 21.320 | 1963 | W 2-0 @ NYN | W | | 9 | 5 | 0 | 0 | 0 | 2 | 11 | 0 | 0 | 1 | 34 | 119 | 76 | 43 | 64% | 17 | 9-5 | 11 Strikeouts |
| 1963-06-18 | 21.316 | 1963 | L 2-1 @ CIN | L | | 8 | 6 | 2 | 2 | 0 | 5 | 10 | 0 | 0 | 0 | 33 | 148 | 83 | 65 | 56% | 16 | 8-5 | 10 Strikeouts |
| 1963-06-05 | 21.303 | 1963 | W 6-0 vs SLN | W | SHO | 9 | 3 | 0 | 0 | 0 | 4 | 8 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | | 13 | 7-3 | Complete game/Shutout, 3-hitter |
| 1963-05-26 | 21.293 | 1963 | W 3-0 @ CIN | W | | 9 | 3 | 0 | 0 | 0 | 3 | 12 | 0 | 0 | 0 | 33 | 110 | 67 | 43 | 61% | 11 | 5-3 | 12 Strikeouts |
| 1963-05-21 | 21.288 | 1963 | L 3-2 @ SFN | L | | 8 | 5 | 3 | 3 | 3 | 1 | 10 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | | 10 | 4-3 | 10 Strikeouts |
| 1963-05-04 | 21.271 | 1963 | W 7-0 vs HOU | W | SHO | 9 | 3 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 1 | 31 | 0 | 0 | 0 | | 6 | 3-2 | Complete game/Shutout, 3-hitter |
| 1963-04-10 | 21.247 | 1963 | W 10-7 vs CIN | W | | 2 | 1 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 7 | 14 | 12 | 2 | 86% | 1 | 1-0 | 1st career win, 1st career game |