| SP | Cooper, M.Cooper, Mort # >> | 29 | 1942 | R | 88 | 31 | 31 | 6 | 14 | 5.60 | .362 | 1.69 | 10.7 | 4.6 | 3.7 | 181.2 | 215 | 123 | 113 | 15 | 92 | 74 | 3 | 0 | 0 | 0 | 13 | 2 | 5 | 4.82 |
| SP | Seaver, T.Seaver, Tom # >> | 25 | 1969 | R | 81 | 30 | 30 | 18 | 8 | 3.79 | .295 | 1.25 | 8.0 | 3.2 | 4.6 | 204.1 | 182 | 91 | 86 | 15 | 73 | 105 | 1 | 0 | 0 | 0 | 17 | 1 | 8 | 4.01 |
| SP | Koosman, J.Koosman, Jerry >> | 27 | 1969 | L | 67 | 30 | 30 | 11 | 11 | 5.25 | .334 | 1.49 | 9.6 | 3.8 | 4.5 | 173.0 | 184 | 113 | 101 | 20 | 73 | 86 | 2 | 0 | 0 | 2 | 11 | 3 | 9 | 4.83 |
| RP | Messersmith, A.Messersmith, Andy † >> | 23 | 1968 | R | 98 | 77 | 0 | 10 | 3 | 2.25 | .285 | 1.19 | 6.0 | 4.7 | 5.7 | 152.1 | 102 | 42 | 38 | 10 | 80 | 97 | 0 | 18 | 6 | 0 | 0 | 0 | 6 | 4.16 |
| RP | Richert, P.Richert, Pete >> | 30 | 1969 | L | 85 | 67 | 0 | 6 | 3 | 2.56 | .256 | 1.01 | 6.1 | 3.0 | 5.7 | 95.0 | 64 | 27 | 27 | 9 | 32 | 60 | 0 | 8 | 4 | 0 | 0 | 2 | 3 | 4.04 |
| RP | Nelson, R.Nelson, Roger >> | 24 | 1968 | R | 74 | 46 | 0 | 7 | 5 | 3.09 | .328 | 1.46 | 7.7 | 5.5 | 5.1 | 78.2 | 67 | 30 | 27 | 3 | 48 | 44 | 0 | 7 | 3 | 0 | 0 | 0 | 9 | 4.22 |
| RP | McCool, B.McCool, Billy >> | 20 | 1964 | L | 68 | 20 | 0 | 3 | 2 | 0.95 | .261 | 1.06 | 5.1 | 4.5 | 3.2 | 28.1 | 16 | 5 | 3 | 0 | 14 | 10 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 3.79 |
| RP | Arroyo, L.Arroyo, Luis >> | 34 | 1961 | L | 59 | 7 | 0 | 2 | 1 | 1.50 | .280 | 1.08 | 6.0 | 3.8 | 5.3 | 12.0 | 8 | 2 | 2 | 1 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.42 |
| SP | Williams, S.Williams, Stan >> | 31 | 1967 | R | 48 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |