| RP | Treinen, B.Treinen, Blake >> | 29 | 2017 | R | 17 | 3 | 6 | 3.93 | .309 | .400 | 1.40 | 9.6 | 3.0 | 8.9 | 75 | 80 | 6 | 25 | 74 | 0 | 16 | 4 | 23 | 19 | C |
| SP | Hahn, J.Hahn, Jesse >> | 27 | 2017 | R | 3 | 3 | 6 | 5.30 | .326 | .420 | 1.52 | 10.2 | 3.5 | 7.2 | 69 | 78 | 4 | 27 | 55 | 0 | 0 | 2 | 88 | 17 | C |
| RP | Dull, R.Dull, Ryan >> | 27 | 2017 | R | 59 | 2 | 2 | 5.14 | .280 | .380 | 1.26 | 7.9 | 3.4 | 9.6 | 42 | 37 | 7 | 16 | 45 | 0 | 0 | 6 | 23 | 21 | C |
| RP | Familia, J.Familia, Jeurys >> | 28 | 2018 | R | 80 | 8 | 6 | 3.13 | .280 | .370 | 1.22 | 7.5 | 3.5 | 10.4 | 72 | 60 | 3 | 28 | 83 | 0 | 18 | 2 | 23 | 20 | C |
| SP | Manaea, S.Manaea, Sean >> | 25 | 2017 | L | 10 | 12 | 10 | 4.37 | .314 | .400 | 1.41 | 9.5 | 3.1 | 8.0 | 158 | 167 | 18 | 55 | 140 | 0 | 0 | 8 | 97 | 18 | C |
| SP | deGrom, J.deGrom, Jacob >> | 30 | 2018 | R | 87 | 10 | 9 | 1.70 | .231 | .320 | 0.91 | 6.3 | 1.9 | 11.2 | 217 | 152 | 10 | 46 | 269 | 1 | 0 | 2 | 119 | 21 | C |
| SP | Harvey, M.Harvey, Matt >> | 29 | 2018 | R | 12 | 7 | 9 | 4.94 | .298 | .380 | 1.30 | 9.6 | 2.1 | 7.6 | 155 | 165 | 27 | 37 | 131 | 0 | 0 | 2 | 86 | 17 | C |
| SP | Smith, C.Smith, Chad >> | 27 | 2017 | R | 1 | 0 | 4 | 6.79 | .319 | .410 | 1.49 | 9.8 | 3.6 | 5.1 | 55 | 60 | 16 | 22 | 31 | 0 | 0 | 3 | 71 | 15 | C |
| RP | Madson, R.Madson, Ryan >> | 37 | 2017 | R | 100 | 5 | 4 | 1.83 | .201 | .290 | 0.80 | 5.8 | 1.4 | 10.2 | 59 | 38 | 2 | 9 | 67 | 0 | 2 | 0 | 23 | 21 | C |
| SP | Gossett, D.Gossett, Daniel >> | 24 | 2017 | R | 2 | 4 | 11 | 6.11 | .342 | .430 | 1.62 | 11.5 | 3.1 | 7.1 | 91 | 116 | 21 | 31 | 72 | 0 | 0 | 10 | 90 | 17 | C |
| RP | Gsellman, R.Gsellman, Robert >> | 24 | 2018 | R | 55 | 6 | 3 | 4.28 | .294 | .380 | 1.30 | 8.6 | 3.2 | 7.9 | 80 | 76 | 8 | 28 | 70 | 0 | 13 | 1 | 24 | 18 | C |
| RP | Smith, J.Smith, Josh >> | 29 | 2017 | R | 9 | 2 | 1 | 4.89 | .303 | .400 | 1.43 | 9.0 | 3.9 | 6.4 | 35 | 35 | 3 | 15 | 25 | 0 | 0 | 1 | 27 | 18 | C |
| SP | Triggs, A.Triggs, Andrew >> | 28 | 2017 | R | 11 | 5 | 6 | 4.27 | .298 | .390 | 1.34 | 9.4 | 2.6 | 6.9 | 65 | 68 | 9 | 19 | 50 | 0 | 0 | 5 | 96 | 17 | C |
| SP | Oswalt, C.Oswalt, Corey >> | 24 | 2018 | R | 7 | 3 | 3 | 5.85 | .306 | .400 | 1.39 | 9.7 | 2.8 | 6.3 | 64 | 69 | 14 | 20 | 45 | 0 | 0 | 4 | 68 | 16 | C |
| RP | Sewald, P.Sewald, Paul >> | 28 | 2018 | R | 5 | 0 | 7 | 6.07 | .323 | .420 | 1.52 | 10.0 | 3.7 | 9.3 | 56 | 62 | 8 | 23 | 58 | 0 | 2 | 1 | 25 | 19 | C |
| SP | Vargas, J.Vargas, Jason >> | 35 | 2018 | L | 9 | 7 | 9 | 5.77 | .313 | .400 | 1.41 | 9.8 | 2.9 | 8.2 | 92 | 100 | 18 | 30 | 84 | 0 | 0 | 0 | 82 | 18 | C |
| SP | Mengden, D.Mengden, Daniel >> | 24 | 2017 | R | 31 | 3 | 2 | 3.14 | .245 | .340 | 1.05 | 7.5 | 1.9 | 6.1 | 43 | 36 | 6 | 9 | 29 | 1 | 0 | 2 | 108 | 17 | C |
| RP | Casilla, S.Casilla, Santiago >> | 37 | 2017 | R | 38 | 4 | 5 | 4.27 | .300 | .390 | 1.36 | 8.8 | 3.4 | 8.7 | 59 | 58 | 8 | 22 | 57 | 0 | 16 | 3 | 23 | 19 | C |
| RP | Hendriks, L.Hendriks, Liam >> | 28 | 2017 | R | 63 | 4 | 2 | 4.22 | .284 | .380 | 1.25 | 8.0 | 3.2 | 11.0 | 64 | 57 | 7 | 23 | 78 | 0 | 1 | 6 | 23 | 21 | C |
| RP | Robles, H.Robles, Hansel >> | 27 | 2018 | R | 34 | 2 | 3 | 3.70 | .305 | .400 | 1.39 | 8.5 | 4.0 | 9.5 | 56 | 53 | 9 | 25 | 59 | 0 | 2 | 2 | 23 | 19 | C |
| RP | Coulombe, D.Coulombe, Daniel >> | 27 | 2017 | L | 50 | 2 | 2 | 3.48 | .294 | .390 | 1.33 | 8.1 | 3.9 | 6.9 | 51 | 46 | 4 | 22 | 39 | 0 | 0 | 5 | 23 | 17 | C |
| RP | Hatcher, C.Hatcher, Chris >> | 32 | 2017 | R | 42 | 1 | 2 | 4.22 | .297 | .390 | 1.34 | 8.8 | 3.2 | 9.6 | 59 | 58 | 10 | 21 | 63 | 0 | 1 | 2 | 24 | 20 | C |
| RP | Blevins, J.Blevins, Jerry >> | 35 | 2018 | L | 46 | 3 | 2 | 4.85 | .299 | .400 | 1.38 | 7.7 | 4.7 | 8.8 | 42 | 36 | 6 | 22 | 41 | 0 | 1 | 1 | 23 | 20 | C |
| RP | Lugo, S.Lugo, Seth >> | 28 | 2018 | R | 92 | 3 | 4 | 2.66 | .258 | .350 | 1.08 | 7.2 | 2.5 | 9.2 | 101 | 81 | 9 | 28 | 103 | 0 | 3 | 2 | 36 | 19 | C |
| SP | Syndergaard, N.Syndergaard, Noah >> | 25 | 2018 | R | 18 | 13 | 4 | 3.03 | .284 | .370 | 1.21 | 8.6 | 2.3 | 9.1 | 154 | 148 | 9 | 39 | 155 | 2 | 0 | 2 | 109 | 19 | C |
| SP | Matz, S.Matz, Steven >> | 27 | 2018 | L | 18 | 5 | 11 | 3.97 | .289 | .380 | 1.25 | 7.8 | 3.4 | 8.9 | 154 | 134 | 25 | 58 | 152 | 0 | 0 | 0 | 91 | 18 | C |
| SP | Blackburn, P.Blackburn, Paul >> | 23 | 2017 | R | 6 | 3 | 1 | 3.22 | .287 | .380 | 1.28 | 9.0 | 2.5 | 3.4 | 58 | 58 | 5 | 16 | 22 | 0 | 0 | 1 | 103 | 13 | C |
| SP | Gray, S.Gray, Sonny >> | 27 | 2017 | R | 22 | 10 | 12 | 3.55 | .283 | .370 | 1.21 | 7.7 | 3.2 | 8.5 | 162 | 139 | 19 | 57 | 153 | 1 | 0 | 11 | 106 | 18 | C |
| SP | Wheeler, Z.Wheeler, Zack >> | 28 | 2018 | R | 29 | 12 | 7 | 3.31 | .269 | .360 | 1.13 | 7.4 | 2.7 | 8.9 | 182 | 150 | 14 | 55 | 179 | 0 | 0 | 2 | 111 | 18 | C |
| SP | Cotton, J.Cotton, Jharel >> | 25 | 2017 | R | 8 | 9 | 10 | 5.58 | .319 | .410 | 1.44 | 9.3 | 3.7 | 7.3 | 129 | 133 | 28 | 53 | 105 | 0 | 0 | 9 | 95 | 17 | C |
| RP | Castro, S.Castro, Simon >> | 29 | 2017 | R | 67 | 1 | 3 | 4.38 | .275 | .380 | 1.24 | 7.8 | 3.4 | 8.5 | 37 | 32 | 7 | 14 | 35 | 0 | 0 | 1 | 28 | 18 | C |
| RP | Doolittle, S.Doolittle, Sean >> | 30 | 2017 | L | 96 | 2 | 0 | 2.81 | .213 | .310 | 0.86 | 6.0 | 1.8 | 10.9 | 51 | 34 | 5 | 10 | 62 | 0 | 24 | 3 | 23 | 22 | C |
| SP | Graveman, K.Graveman, Kendall >> | 26 | 2017 | R | 5 | 6 | 4 | 4.19 | .310 | .400 | 1.39 | 9.8 | 2.7 | 6.0 | 105 | 114 | 12 | 32 | 70 | 0 | 0 | 5 | 98 | 16 | C |