| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 92 | 25 | 25 | 13 | 6 | 3.22 | .292 | 1.21 | 7.7 | 3.2 | 7.6 | 176.1 | 150 | 71 | 63 | 9 | 63 | 148 | 3 | 0 | 0 | 0 | 19 | 5 | 6 | 3.14 |
| SP | Alexander, P.Alexander, Pete † $$ >> | 28 | 1915 | R | 88 | 24 | 24 | 19 | 4 | 2.56 | .244 | 0.96 | 6.4 | 2.3 | 5.0 | 204.0 | 144 | 64 | 58 | 14 | 52 | 113 | 16 | 0 | 0 | 1 | 20 | 2 | 3 | 3.58 |
| SP | Snell, B.Snell, Blake $$ >> | 25 | 2018 | L | 81 | 24 | 24 | 6 | 9 | 3.74 | .286 | 1.16 | 7.0 | 3.5 | 7.6 | 151.2 | 118 | 70 | 63 | 18 | 58 | 127 | 1 | 0 | 0 | 0 | 14 | 6 | 4 | 4.14 |
| SP | Cueto, J.Cueto, Johnny >> | 28 | 2014 | R | 75 | 23 | 23 | 11 | 7 | 3.81 | .296 | 1.25 | 7.8 | 3.5 | 4.4 | 170.0 | 147 | 74 | 72 | 20 | 66 | 84 | 6 | 0 | 0 | 2 | 11 | 1 | 5 | 4.72 |
| SP | McDowell, S.McDowell, Sam >> | 23 | 1965 | L | 44 | 14 | 7 | 3 | 2 | 3.78 | .308 | 1.29 | 7.2 | 4.5 | 9.8 | 66.2 | 53 | 31 | 28 | 10 | 33 | 72 | 0 | 0 | 0 | 0 | 3 | 3 | 6 | 4.42 |
| RP | Feliz, N.Feliz, Neftali >> | 21 | 2009 | R | 97 | 56 | 0 | 4 | 7 | 3.45 | .273 | 1.12 | 6.0 | 4.1 | 6.9 | 88.2 | 59 | 35 | 34 | 13 | 40 | 67 | 0 | 8 | 6 | 0 | 0 | 1 | 0 | 4.80 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 83 | 26 | 0 | 3 | 1 | 2.59 | .305 | 1.32 | 6.8 | 5.3 | 7.5 | 24.1 | 18 | 11 | 7 | 2 | 14 | 20 | 0 | 7 | 2 | 0 | 0 | 0 | 2 | 4.17 |
| RP | Harvey, B.Harvey, Bryan >> | 28 | 1991 | R | 66 | 16 | 0 | 1 | 1 | 3.72 | .318 | 1.40 | 9.9 | 2.8 | 8.5 | 19.1 | 21 | 8 | 8 | 4 | 6 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.79 |
| RP | Eichhorn, M.Eichhorn, Mark >> | 26 | 1986 | R | 49 | 5 | 0 | 1 | 0 | 1.13 | .294 | 1.25 | 6.8 | 4.5 | 7.9 | 8.0 | 6 | 1 | 1 | 0 | 4 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2.75 |