| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 93 | 28 | 28 | 19 | 7 | 2.67 | .269 | 1.09 | 7.1 | 2.7 | 8.4 | 212.0 | 167 | 67 | 63 | 14 | 64 | 197 | 2 | 0 | 0 | 1 | 21 | 3 | 2 | 2.95 |
| SP | Leonard, D.Leonard, Dutch $$ >> | 22 | 1914 | L | 91 | 27 | 27 | 16 | 6 | 3.30 | .288 | 1.20 | 7.4 | 3.5 | 5.0 | 185.2 | 152 | 70 | 68 | 15 | 71 | 102 | 2 | 0 | 0 | 1 | 17 | 2 | 3 | 4.14 |
| SP | Brown, M.Brown, Mordecai >> | 32 | 1908 | R | 85 | 27 | 27 | 14 | 6 | 3.71 | .275 | 1.13 | 7.7 | 2.4 | 4.3 | 199.0 | 170 | 95 | 82 | 13 | 54 | 94 | 6 | 0 | 0 | 1 | 17 | 3 | 6 | 3.76 |
| SP | Cicotte, E.Cicotte, Eddie # >> | 33 | 1917 | R | 74 | 26 | 26 | 16 | 7 | 4.13 | .278 | 1.14 | 7.7 | 2.5 | 4.0 | 178.2 | 153 | 83 | 82 | 16 | 50 | 80 | 5 | 0 | 0 | 1 | 14 | 3 | 3 | 4.16 |
| SP | McDowell, S.McDowell, Sam >> | 26 | 1968 | L | 46 | 14 | 6 | 7 | 2 | 3.25 | .278 | 1.14 | 7.5 | 2.8 | 6.8 | 83.0 | 69 | 30 | 30 | 6 | 26 | 63 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 3.40 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 93 | 57 | 0 | 4 | 1 | 2.18 | .261 | 1.06 | 7.4 | 2.2 | 7.8 | 66.0 | 54 | 16 | 16 | 9 | 16 | 57 | 0 | 12 | 3 | 0 | 0 | 0 | 0 | 3.77 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 78 | 32 | 0 | 1 | 1 | 1.93 | .290 | 1.19 | 8.2 | 2.8 | 8.2 | 32.2 | 29 | 7 | 7 | 2 | 10 | 29 | 0 | 7 | 3 | 0 | 0 | 1 | 1 | 3.03 |
| RP | Wagner, B.Wagner, Billy † >> | 28 | 1999 | L | 95 | 38 | 0 | 2 | 3 | 3.22 | .273 | 1.07 | 5.3 | 4.5 | 8.8 | 36.1 | 21 | 13 | 13 | 1 | 18 | 35 | 0 | 19 | 2 | 0 | 0 | 2 | 2 | 3.08 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 80 | 13 | 0 | 0 | 1 | 2.63 | .317 | 1.39 | 6.2 | 6.9 | 10.4 | 13.2 | 9 | 4 | 4 | 2 | 10 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5.00 |
| RP | Bailey, A.Bailey, Andrew >> | 25 | 2009 | R | 67 | 8 | 0 | 2 | 0 | 0.93 | .256 | 1.03 | 6.0 | 4.0 | 4.0 | 9.2 | 6 | 2 | 1 | 0 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.44 |
| RP | Messersmith, A.Messersmith, Andy >> | 23 | 1968 | R | 58 | 11 | 0 | 1 | 0 | 5.25 | .308 | 1.25 | 7.5 | 3.8 | 4.5 | 12.0 | 10 | 7 | 7 | 0 | 5 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.50 |
| SP | Lincecum, T.Lincecum, Tim # >> | 25 | 2009 | R | 41 | 7 | 0 | 0 | 0 | 5.52 | .316 | 1.32 | 8.1 | 3.8 | 8.4 | 31.0 | 28 | 19 | 19 | 4 | 13 | 29 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4.26 |