| SP | McGinnity, J.McGinnity, Joe # | 31 | Giants | R | 61 | 33 | 32 | 21 | 9 | 4.23 | .321 | 1.39 | 9.9 | 2.7 | 4.6 | 261.2 | 286 | 130 | 123 | 29 | 78 | 132 | 12 | 0 | 0 | 1 | 17 | 7 | 0 | 4.41 |
| SP | Mathewson, C.Mathewson, Christy | 29 | Giants | R | 92 | 40 | 40 | 24 | 12 | 3.37 | .278 | 1.13 | 8.0 | 2.1 | 4.5 | 328.2 | 293 | 130 | 123 | 29 | 78 | 164 | 18 | 0 | 0 | 4 | 25 | 8 | 1 | 3.94 |
| RP | Ottavino, A.Ottavino, Adam # | 32 | Rocks | R | 71 | 101 | 0 | 20 | 7 | 3.54 | .317 | 1.37 | 7.1 | 5.3 | 9.1 | 132.1 | 104 | 52 | 52 | 14 | 77 | 133 | 0 | 7 | 3 | 0 | 0 | 3 | 9 | 4.18 |
| CL | Kimbrel, C.Kimbrel, Craig | 29 | Red Sox | R | 100 | 78 | 0 | 3 | 5 | 2.24 | .251 | 0.97 | 5.6 | 3.2 | 10.6 | 84.1 | 52 | 24 | 21 | 8 | 30 | 99 | 0 | 42 | 6 | 0 | 0 | 3 | 3 | 3.06 |
| CL | McQuillan, G.McQuillan, George | 22 | Buck Horse | R | 91 | 57 | 0 | 8 | 4 | 1.71 | .278 | 1.11 | 4.4 | 5.6 | 7.1 | 63.1 | 31 | 16 | 12 | 2 | 39 | 50 | 0 | 34 | 3 | 0 | 0 | 3 | 1 | 3.83 |