| SP | deGrom, J.deGrom, Jacob # >> | 30 | 2018 | R | 93 | 33 | 33 | 15 | 10 | 3.79 | .288 | 1.18 | 7.5 | 3.1 | 11.2 | 221.0 | 183 | 97 | 93 | 24 | 77 | 276 | 1 | 0 | 0 | 0 | 19 | 8 | 4 | 3.07 |
| SP | Cueto, J.Cueto, Johnny >> | 28 | 2014 | R | 89 | 32 | 32 | 12 | 10 | 3.82 | .306 | 1.31 | 8.4 | 3.4 | 7.1 | 216.2 | 202 | 95 | 92 | 23 | 82 | 171 | 6 | 0 | 0 | 2 | 19 | 3 | 5 | 3.98 |
| SP | Maeda, K.Maeda, Kenta # >> | 31 | 2019 | R | 64 | 32 | 32 | 3 | 8 | 5.57 | .333 | 1.48 | 9.0 | 4.3 | 10.5 | 129.1 | 129 | 82 | 80 | 32 | 62 | 150 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 5.41 |
| SP | Dickey, R.Dickey, R.A. >> | 38 | 2012 | R | 53 | 31 | 31 | 11 | 13 | 5.48 | .347 | 1.54 | 9.9 | 4.0 | 7.7 | 197.0 | 217 | 122 | 120 | 34 | 87 | 169 | 2 | 0 | 0 | 1 | 14 | 10 | 3 | 5.01 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 46 | 30 | 30 | 4 | 15 | 7.23 | .369 | 1.72 | 12.4 | 3.1 | 9.1 | 149.1 | 205 | 123 | 120 | 39 | 52 | 150 | 0 | 0 | 0 | 0 | 7 | 5 | 2 | 5.54 |
| RP | Chapman, A.Chapman, Aroldis † >> | 24 | 2012 | L | 94 | 85 | 0 | 10 | 4 | 3.19 | .300 | 1.26 | 6.5 | 4.9 | 11.9 | 113.0 | 81 | 43 | 40 | 10 | 61 | 149 | 0 | 8 | 3 | 0 | 0 | 3 | 4 | 3.21 |
| RP | Feliz, N.Feliz, Neftali >> | 22 | 2010 | R | 65 | 80 | 0 | 7 | 4 | 3.17 | .283 | 1.19 | 7.5 | 3.2 | 9.3 | 108.0 | 90 | 38 | 38 | 13 | 38 | 112 | 0 | 8 | 5 | 0 | 0 | 0 | 3 | 3.55 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 46 | 70 | 0 | 6 | 2 | 3.72 | .307 | 1.29 | 9.6 | 2.1 | 8.3 | 92.0 | 98 | 41 | 38 | 7 | 21 | 85 | 0 | 5 | 7 | 0 | 0 | 3 | 2 | 2.92 |
| RP | Knebel, C.Knebel, Corey >> | 25 | 2017 | R | 28 | 63 | 0 | 3 | 3 | 7.30 | .381 | 1.80 | 10.8 | 5.6 | 12.0 | 61.2 | 73 | 50 | 50 | 15 | 38 | 81 | 0 | 7 | 1 | 0 | 0 | 3 | 1 | 5.56 |
| SP | Montas, F.Montas, Frankie >> | 26 | 2019 | R | 34 | 6 | 0 | 0 | 0 | 0.00 | .000 | 0.00 | 0.0 | 0.0 | 18.0 | 4.2 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | -1.00 |