| SP | Musgrove, J.Musgrove, Joseph PIT >> | 28 | 2021 | R | 91 | 33 | 33 | 12 | 8 | 2.91 | .288 | 1.18 | 7.7 | 2.9 | 8.2 | 201.1 | 173 | 70 | 65 | 13 | 65 | 184 | 0 | 0 | 0 | 0 | 18 | 6 | 0 | 3.07 |
| SP | Reuschel, R.Reuschel, Rick PIT >> | 36 | 1985 | R | 87 | 34 | 34 | 13 | 13 | 4.25 | .322 | 1.41 | 9.5 | 3.3 | 5.3 | 194.2 | 204 | 97 | 92 | 15 | 71 | 114 | 1 | 0 | 0 | 1 | 19 | 2 | 7 | 3.96 |
| SP | Smiley, J.Smiley, John PIT >> | 27 | 1992 | L | 78 | 32 | 32 | 11 | 15 | 3.58 | .295 | 1.24 | 7.9 | 3.4 | 5.2 | 231.1 | 202 | 99 | 92 | 28 | 86 | 134 | 4 | 0 | 0 | 0 | 21 | 3 | 3 | 4.57 |
| SP | Taillon, J.Taillon, Jameson PIT # >> | 27 | 2019 | R | 71 | 32 | 32 | 13 | 9 | 4.33 | .302 | 1.29 | 9.0 | 2.6 | 5.3 | 166.1 | 166 | 82 | 80 | 15 | 48 | 98 | 0 | 0 | 0 | 0 | 16 | 2 | 3 | 3.90 |
| SP | Ellis, D.Ellis, Dock PIT # >> | 27 | 1972 | R | 56 | 31 | 31 | 6 | 15 | 5.23 | .332 | 1.46 | 10.2 | 2.9 | 5.0 | 165.1 | 187 | 109 | 96 | 16 | 54 | 91 | 3 | 0 | 0 | 1 | 12 | 5 | 7 | 4.23 |
| CL | Rivero, F.Rivero, Felipe PIT † >> | 25 | 2017 | L | 97 | 68 | 0 | 3 | 6 | 2.59 | .242 | 0.95 | 6.5 | 2.0 | 8.5 | 73.0 | 53 | 21 | 21 | 5 | 16 | 69 | 0 | 33 | 4 | 0 | 0 | 1 | 0 | 2.70 |
| RP | Hudson, D.Hudson, Daniel PIT >> | 37 | 2024 | R | 84 | 93 | 0 | 9 | 3 | 3.16 | .263 | 1.04 | 6.8 | 2.6 | 7.4 | 108.1 | 82 | 39 | 38 | 12 | 31 | 89 | 0 | 3 | 3 | 0 | 0 | 3 | 1 | 3.74 |
| RP | Hanrahan, J.Hanrahan, Joel PIT >> | 29 | 2010 | R | 64 | 84 | 0 | 3 | 6 | 3.12 | .314 | 1.36 | 8.2 | 4.1 | 9.1 | 92.1 | 84 | 34 | 32 | 11 | 42 | 93 | 0 | 0 | 3 | 0 | 0 | 1 | 3 | 3.93 |
| RP | Mikkelsen, P.Mikkelsen, Pete PIT >> | 32 | 1971 | R | 54 | 68 | 0 | 2 | 4 | 2.86 | .243 | 0.96 | 7.1 | 1.6 | 5.6 | 94.1 | 74 | 33 | 30 | 6 | 17 | 59 | 0 | 3 | 2 | 0 | 0 | 0 | 3 | 3.12 |
| RP | Candelaria, J.Candelaria, John PIT >> | 39 | 1992 | L | 48 | 102 | 0 | 3 | 1 | 2.99 | .305 | 1.31 | 7.7 | 4.2 | 4.4 | 78.1 | 67 | 27 | 26 | 5 | 36 | 38 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.24 |