| SP | Bumgarner, M.Bumgarner, Madison >> | 25 | 2015 | L | 97 | 6 | 6 | 4 | 0 | 0.95 | .232 | 0.89 | 6.1 | 1.9 | 9.8 | 47.1 | 32 | 9 | 5 | 3 | 10 | 51 | 3 | 0 | 0 | 1 | 5 | 1 | 0 | 2.36 |
| SP | Heston, C.Heston, Chris >> | 27 | 2015 | R | 48 | 6 | 6 | 3 | 1 | 1.31 | .244 | 0.97 | 6.4 | 2.4 | 8.1 | 41.1 | 29 | 6 | 6 | 1 | 11 | 37 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 2.32 |
| SP | Vogelsong, R.Vogelsong, Ryan >> | 38 | 2015 | R | 29 | 6 | 6 | 0 | 0 | 3.58 | .284 | 1.16 | 7.0 | 3.7 | 7.3 | 27.2 | 21 | 11 | 11 | 2 | 11 | 22 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3.67 |
| RP | Strickland, H.Strickland, Hunter >> | 26 | 2015 | R | 98 | 17 | 0 | 2 | 0 | 1.69 | .226 | 0.88 | 6.8 | 1.1 | 6.8 | 16.0 | 12 | 3 | 3 | 1 | 2 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2.69 |
| RP | Lopez, J.Lopez, Javier >> | 38 | 2015 | L | 92 | 21 | 0 | 2 | 0 | 0.00 | .229 | 0.89 | 5.0 | 3.0 | 5.0 | 9.0 | 5 | 0 | 0 | 0 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2.89 |
| RP | Kontos, G.Kontos, George >> | 30 | 2015 | R | 84 | 15 | 0 | 2 | 1 | 2.61 | .295 | 1.16 | 8.1 | 2.7 | 4.5 | 10.1 | 9 | 3 | 3 | 1 | 3 | 5 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 4.50 |
| CL | Casilla, S.Casilla, Santiago >> | 35 | 2015 | R | 56 | 15 | 0 | 1 | 2 | 2.40 | .328 | 1.47 | 10.8 | 2.4 | 12.6 | 15.0 | 18 | 4 | 4 | 0 | 4 | 21 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 1.00 |
| RP | Petit, Y.Petit, Yusmeiro >> | 31 | 2015 | R | 53 | 8 | 0 | 0 | 0 | 1.80 | .250 | 1.00 | 7.2 | 1.8 | 9.0 | 5.0 | 4 | 1 | 1 | 0 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.60 |
| SP | Lincecum, T.Lincecum, Tim >> | 31 | 2015 | R | 31 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Affeldt, J.Affeldt, Jeremy >> | 36 | 2015 | L | 5 | 5 | 0 | 0 | 1 | 20.25 | .556 | 3.75 | 45.0 | 0.0 | 9.0 | 1.1 | 5 | 3 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27.00 |