| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 95 | 32 | 32 | 5 | 22 | 5.20 | .311 | 1.31 | 9.0 | 2.8 | 9.7 | 207.2 | 207 | 125 | 120 | 37 | 65 | 222 | 2 | 0 | 0 | 1 | 13 | 9 | 3 | 4.25 |
| SP | DeLeon, J.DeLeon, Jose >> | 29 | 1989 | R | 58 | 29 | 29 | 9 | 13 | 3.73 | .305 | 1.28 | 7.1 | 4.5 | 7.1 | 171.1 | 135 | 73 | 71 | 29 | 85 | 135 | 0 | 0 | 0 | 0 | 16 | 6 | 1 | 5.22 |
| SP | Lincecum, T.Lincecum, Tim † # >> | 25 | 2009 | R | 57 | 29 | 29 | 13 | 13 | 4.16 | .291 | 1.21 | 8.0 | 2.9 | 9.3 | 203.1 | 181 | 102 | 94 | 30 | 66 | 209 | 5 | 0 | 0 | 3 | 14 | 3 | 4 | 3.88 |
| RP | Rivera, M.Rivera, Mariano >> | 39 | 2008 | R | 83 | 73 | 0 | 3 | 3 | 3.86 | .285 | 1.18 | 9.5 | 1.3 | 8.0 | 79.1 | 83 | 38 | 34 | 16 | 11 | 70 | 0 | 6 | 1 | 0 | 0 | 1 | 1 | 4.32 |
| RP | Gordon, T.Gordon, Tom # >> | 37 | 2004 | R | 61 | 55 | 0 | 1 | 2 | 5.79 | .291 | 1.21 | 8.8 | 2.1 | 8.8 | 56.0 | 55 | 37 | 36 | 12 | 13 | 55 | 0 | 5 | 2 | 0 | 0 | 1 | 0 | 4.57 |
| RP | Pressly, R.Pressly, Ryan >> | 30 | 2019 | R | 53 | 43 | 0 | 1 | 2 | 4.75 | .324 | 1.39 | 8.6 | 4.0 | 9.6 | 47.1 | 45 | 27 | 25 | 9 | 21 | 50 | 0 | 4 | 0 | 0 | 0 | 2 | 2 | 4.83 |
| SP | Perez, O.Perez, Odalis >> | 25 | 2002 | L | 51 | 1 | 1 | 0 | 1 | 10.38 | .381 | 1.85 | 6.8 | 11.3 | 6.8 | 4.1 | 3 | 5 | 5 | 1 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.50 |
| SP | Garrelts, S.Garrelts, Scott >> | 28 | 1989 | R | 50 | 4 | 0 | 0 | 1 | 2.38 | .306 | 1.32 | 8.2 | 4.1 | 5.7 | 11.1 | 10 | 5 | 3 | 2 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5.45 |
| SP | Candelaria, J.Candelaria, John >> | 33 | 1986 | L | 54 | 26 | 0 | 3 | 4 | 4.76 | .346 | 1.54 | 11.0 | 3.0 | 6.0 | 45.1 | 55 | 24 | 24 | 9 | 15 | 30 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 5.40 |