| SP | Strasburg, S.Strasburg, Stephen # >> | 28 | 2017 | R | 98 | 19 | 19 | 6 | 6 | 3.67 | .296 | 1.22 | 8.4 | 2.6 | 9.3 | 127.2 | 119 | 55 | 52 | 10 | 37 | 131 | 1 | 0 | 0 | 0 | 11 | 5 | 3 | 2.95 |
| SP | Tanana, F.Tanana, Frank >> | 31 | 1984 | L | 67 | 18 | 18 | 7 | 4 | 3.56 | .281 | 1.16 | 8.4 | 2.1 | 4.8 | 136.2 | 127 | 59 | 54 | 12 | 32 | 73 | 4 | 0 | 0 | 2 | 10 | 1 | 4 | 3.80 |
| SP | Gallardo, Y.Gallardo, Yovani >> | 24 | 2010 | R | 53 | 19 | 18 | 9 | 3 | 4.51 | .307 | 1.31 | 8.8 | 3.1 | 7.2 | 109.2 | 106 | 61 | 55 | 11 | 38 | 87 | 1 | 0 | 0 | 1 | 8 | 2 | 4 | 3.82 |
| RP | Smith, D.Smith, Dave † >> | 32 | 1987 | R | 99 | 48 | 0 | 5 | 3 | 1.78 | .266 | 1.09 | 6.2 | 3.7 | 7.1 | 70.2 | 48 | 17 | 14 | 4 | 29 | 55 | 0 | 4 | 3 | 0 | 0 | 0 | 1 | 3.41 |
| RP | Rosenthal, T.Rosenthal, Trevor >> | 27 | 2017 | R | 78 | 40 | 0 | 5 | 2 | 2.50 | .317 | 1.37 | 7.7 | 4.7 | 11.5 | 50.1 | 43 | 20 | 14 | 3 | 26 | 64 | 0 | 2 | 4 | 0 | 0 | 1 | 2 | 2.84 |
| RP | Graves, D.Graves, Danny >> | 26 | 1999 | R | 62 | 29 | 0 | 4 | 4 | 3.50 | .308 | 1.33 | 6.8 | 5.3 | 5.8 | 36.0 | 27 | 17 | 14 | 4 | 21 | 23 | 0 | 5 | 3 | 0 | 0 | 0 | 0 | 4.92 |
| RP | Axford, J.Axford, John >> | 29 | 2012 | R | 46 | 22 | 0 | 0 | 1 | 3.74 | .337 | 1.52 | 7.3 | 6.9 | 10.7 | 21.2 | 17 | 9 | 9 | 4 | 16 | 25 | 0 | 4 | 1 | 0 | 0 | 0 | 3 | 5.38 |
| SP | Morgan, M.Morgan, Mike >> | 38 | 1997 | R | 48 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |