| SP | Harvey, M.Harvey, Matt # >> | 26 | 2015 | R | 94 | 20 | 20 | 7 | 8 | 3.76 | .278 | 1.13 | 8.5 | 1.7 | 8.5 | 148.1 | 139 | 64 | 62 | 16 | 28 | 139 | 2 | 0 | 0 | 1 | 11 | 4 | 2 | 3.18 |
| SP | Marcum, S.Marcum, Shaun >> | 34 | 2015 | R | 64 | 19 | 19 | 3 | 7 | 5.51 | .367 | 1.68 | 11.9 | 3.4 | 5.7 | 94.2 | 124 | 60 | 58 | 11 | 35 | 60 | 0 | 0 | 0 | 0 | 3 | 6 | 2 | 4.55 |
| SP | Dickey, R.Dickey, R.A. >> | 41 | 2015 | R | 62 | 18 | 18 | 4 | 11 | 6.46 | .344 | 1.56 | 10.6 | 3.5 | 6.3 | 108.2 | 127 | 81 | 78 | 21 | 42 | 76 | 1 | 0 | 0 | 0 | 7 | 2 | 3 | 5.34 |
| SP | Martinez, C.Martinez, Carlos >> | 24 | 2015 | R | 56 | 19 | 19 | 4 | 7 | 4.92 | .335 | 1.49 | 10.0 | 3.5 | 8.3 | 113.1 | 125 | 66 | 62 | 14 | 44 | 104 | 0 | 0 | 0 | 0 | 10 | 2 | 7 | 3.99 |
| SP | Sanchez, A.Sanchez, Anibal >> | 31 | 2015 | R | 53 | 17 | 17 | 1 | 11 | 7.85 | .388 | 1.86 | 12.6 | 4.2 | 6.6 | 96.1 | 134 | 87 | 84 | 17 | 45 | 70 | 0 | 0 | 0 | 0 | 3 | 4 | 3 | 5.38 |
| RP | Uehara, K.Uehara, Koji >> | 40 | 2015 | R | 95 | 51 | 0 | 5 | 2 | 3.49 | .299 | 1.23 | 8.1 | 3.1 | 9.4 | 69.2 | 62 | 28 | 27 | 6 | 24 | 72 | 0 | 5 | 3 | 0 | 0 | 3 | 5 | 3.22 |
| RP | Thornton, M.Thornton, Matt >> | 39 | 2015 | L | 64 | 53 | 0 | 2 | 2 | 4.23 | .313 | 1.33 | 8.9 | 3.1 | 5.5 | 66.0 | 65 | 31 | 31 | 7 | 23 | 40 | 0 | 3 | 2 | 0 | 0 | 2 | 1 | 4.30 |
| RP | Aardsma, D.Aardsma, David >> | 34 | 2015 | R | 43 | 44 | 0 | 0 | 4 | 4.53 | .332 | 1.45 | 9.4 | 3.9 | 7.9 | 49.2 | 51 | 25 | 25 | 7 | 21 | 43 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 4.51 |
| SP | Corbin, P.Corbin, Patrick >> | 25 | 2015 | L | 44 | 1 | 1 | 0 | 1 | 3.38 | .333 | 1.50 | 10.8 | 3.6 | 9.0 | 5.1 | 6 | 2 | 2 | 0 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.20 |
| SP | Ventura, Y.Ventura, Yordano >> | 24 | 2015 | R | 52 | 3 | 1 | 2 | 0 | 6.75 | .394 | 1.95 | 15.0 | 4.5 | 4.5 | 6.2 | 10 | 5 | 5 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.50 |
| SP | Rodon, C.Rodon, Carlos >> | 22 | 2015 | L | 35 | 23 | 0 | 7 | 5 | 3.26 | .329 | 1.47 | 9.2 | 4.2 | 11.2 | 49.2 | 50 | 21 | 18 | 6 | 23 | 61 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 3.51 |