| SP | Arrieta, J.Arrieta, Jake # $ >> | 29 | 2015 | R | 93 | 14 | 14 | 5 | 6 | 4.01 | .289 | 1.20 | 8.9 | 2.0 | 8.0 | 83.0 | 82 | 40 | 37 | 12 | 18 | 74 | 1 | 0 | 0 | 1 | 7 | 1 | 0 | 3.78 |
| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 14 | 14 | 8 | 3 | 2.46 | .249 | 0.95 | 5.2 | 3.4 | 5.2 | 98.2 | 57 | 27 | 27 | 6 | 37 | 57 | 2 | 0 | 0 | 2 | 12 | 4 | 0 | 3.89 |
| SP | Mathewson, C.Mathewson, Christy >> | 29 | 1909 | R | 85 | 14 | 14 | 4 | 3 | 3.36 | .260 | 1.05 | 7.8 | 1.7 | 4.2 | 91.0 | 79 | 42 | 34 | 8 | 17 | 42 | 3 | 0 | 0 | 1 | 10 | 0 | 2 | 3.78 |
| SP | Lincecum, T.Lincecum, Tim # >> | 25 | 2009 | R | 39 | 12 | 12 | 5 | 1 | 4.50 | .333 | 1.45 | 9.9 | 3.1 | 6.9 | 76.0 | 84 | 43 | 38 | 11 | 26 | 58 | 0 | 0 | 0 | 0 | 7 | 4 | 3 | 4.54 |
| RP | Miller, A.Miller, Andrew >> | 29 | 2014 | L | 88 | 26 | 0 | 2 | 1 | 3.68 | .323 | 1.36 | 8.1 | 4.3 | 10.2 | 29.1 | 26 | 12 | 12 | 2 | 14 | 33 | 0 | 3 | 0 | 0 | 0 | 2 | 2 | 3.28 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 79 | 20 | 0 | 2 | 1 | 3.42 | .276 | 1.10 | 6.7 | 3.5 | 8.2 | 23.2 | 17 | 9 | 9 | 1 | 9 | 21 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 3.04 |
| RP | Hoffman, T.Hoffman, Trevor >> | 31 | 1998 | R | 75 | 9 | 0 | 0 | 0 | 6.48 | .342 | 1.56 | 10.1 | 4.5 | 9.0 | 8.1 | 9 | 7 | 6 | 2 | 4 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5.75 |