| SP | Johnson, R.Johnson, Randy >> | 41 | 2004 | L | 95 | 34 | 34 | 14 | 13 | 3.14 | .249 | 0.99 | 7.1 | 1.8 | 8.7 | 260.2 | 206 | 92 | 91 | 22 | 52 | 252 | 7 | 0 | 0 | 2 | 24 | 1 | 6 | 2.77 |
| SP | Greinke, Z.Greinke, Zack † >> | 36 | 2019 | R | 85 | 33 | 33 | 17 | 8 | 2.90 | .266 | 1.06 | 7.1 | 2.5 | 6.8 | 235.2 | 185 | 76 | 76 | 24 | 65 | 178 | 3 | 0 | 0 | 1 | 25 | 6 | 4 | 3.72 |
| SP | Kelly, M.Kelly, Merrill >> | 36 | 2025 | R | 68 | 31 | 31 | 13 | 12 | 4.06 | .296 | 1.25 | 8.6 | 2.7 | 6.1 | 190.2 | 182 | 96 | 86 | 29 | 56 | 128 | 0 | 0 | 0 | 0 | 16 | 2 | 0 | 4.55 |
| RP | Ramirez, N.Ramirez, Noe >> | 31 | 2021 | R | 75 | 87 | 0 | 5 | 4 | 2.87 | .304 | 1.29 | 6.9 | 4.9 | 6.8 | 109.2 | 83 | 37 | 35 | 7 | 59 | 82 | 0 | 2 | 4 | 0 | 0 | 2 | 9 | 4.01 |
| RP | Miller, S.Miller, Shelby >> | 34 | 2025 | R | 66 | 73 | 0 | 3 | 5 | 3.72 | .312 | 1.31 | 7.4 | 4.4 | 7.9 | 77.1 | 63 | 32 | 32 | 6 | 38 | 68 | 0 | 5 | 3 | 0 | 0 | 4 | 0 | 3.88 |
| RP | Ginkel, K.Ginkel, Kevin >> | 29 | 2023 | R | 62 | 47 | 0 | 6 | 3 | 2.27 | .285 | 1.20 | 6.5 | 4.4 | 9.2 | 47.2 | 34 | 13 | 12 | 1 | 23 | 48 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 2.70 |
| RP | Kim, B.Kim, Byung-Hyun >> | 22 | 2001 | R | 60 | 30 | 0 | 4 | 1 | 4.73 | .344 | 1.54 | 7.6 | 6.6 | 6.6 | 26.2 | 22 | 14 | 14 | 2 | 19 | 19 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 4.85 |
| CL | Valverde, J.Valverde, Jose † >> | 24 | 2003 | R | 77 | 50 | 0 | 0 | 1 | 1.62 | .261 | 1.02 | 4.7 | 4.5 | 9.6 | 44.1 | 23 | 8 | 8 | 2 | 22 | 47 | 0 | 42 | 2 | 0 | 0 | 2 | 0 | 3.09 |
| SP | Hudson, D.Hudson, Daniel >> | 23 | 2010 | R | 99 | 17 | 0 | 3 | 1 | 3.07 | .263 | 1.05 | 7.0 | 2.5 | 5.5 | 44.0 | 34 | 18 | 15 | 3 | 12 | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.55 |