| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 95 | 25 | 25 | 16 | 7 | 2.18 | .243 | 0.94 | 5.8 | 2.6 | 7.8 | 194.0 | 126 | 54 | 47 | 18 | 56 | 169 | 4 | 0 | 0 | 2 | 21 | 5 | 5 | 3.41 |
| SP | Lincecum, T.Lincecum, Tim >> | 25 | 2009 | R | 59 | 21 | 21 | 9 | 6 | 2.78 | .267 | 1.05 | 7.0 | 2.5 | 8.2 | 161.2 | 126 | 55 | 50 | 15 | 44 | 146 | 4 | 0 | 0 | 2 | 15 | 7 | 3 | 3.35 |
| SP | Tanana, F.Tanana, Frank † # >> | 23 | 1976 | L | 74 | 24 | 24 | 16 | 6 | 3.12 | .261 | 1.05 | 7.1 | 2.4 | 6.4 | 196.1 | 154 | 73 | 68 | 23 | 52 | 140 | 11 | 0 | 0 | 3 | 15 | 2 | 3 | 3.92 |
| SP | Fernandez, S.Fernandez, Sid >> | 23 | 1985 | L | 53 | 24 | 24 | 9 | 7 | 3.62 | .296 | 1.22 | 6.4 | 4.6 | 8.0 | 161.2 | 115 | 74 | 65 | 17 | 83 | 143 | 0 | 0 | 0 | 0 | 15 | 6 | 5 | 4.25 |
| SP | McClanahan, S.McClanahan, Shane >> | 25 | 2022 | L | 89 | 23 | 23 | 11 | 6 | 4.67 | .314 | 1.35 | 8.6 | 3.6 | 8.9 | 140.2 | 134 | 74 | 73 | 22 | 56 | 139 | 0 | 0 | 0 | 0 | 11 | 3 | 8 | 4.32 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 83 | 56 | 0 | 1 | 1 | 2.68 | .297 | 1.24 | 7.7 | 3.6 | 12.2 | 40.1 | 34 | 12 | 12 | 1 | 16 | 54 | 0 | 3 | 3 | 0 | 0 | 1 | 2 | 1.90 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 76 | 59 | 0 | 1 | 2 | 3.41 | .298 | 1.24 | 5.6 | 5.6 | 7.4 | 29.0 | 18 | 11 | 11 | 1 | 18 | 24 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 3.76 |
| RP | Bautista, F.Bautista, Félix >> | 28 | 2023 | R | 73 | 31 | 0 | 2 | 3 | 3.98 | .299 | 1.28 | 6.3 | 5.4 | 10.4 | 20.1 | 14 | 9 | 9 | 2 | 12 | 23 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 3.80 |
| RP | Eichhorn, M.Eichhorn, Mark >> | 26 | 1986 | R | 46 | 29 | 0 | 3 | 3 | 2.40 | .280 | 1.13 | 6.6 | 3.6 | 8.7 | 30.0 | 22 | 8 | 8 | 4 | 12 | 29 | 0 | 6 | 2 | 0 | 0 | 1 | 0 | 4.10 |
| RP | Perkins, G.Perkins, Glen >> | 30 | 2013 | L | 47 | 27 | 0 | 1 | 0 | 0.60 | .237 | 0.93 | 6.6 | 1.8 | 6.0 | 15.0 | 11 | 1 | 1 | 0 | 3 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.27 |
| SP | Rogers, S.Rogers, Steve >> | 24 | 1973 | R | 50 | 6 | 4 | 1 | 2 | 4.19 | .285 | 1.19 | 7.4 | 3.4 | 5.8 | 34.1 | 28 | 17 | 16 | 4 | 13 | 22 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 4.38 |