Between October 2, 2023 and October 2, 2026, Mason Miller has the most strikeouts - walks allowed by a relief pitcher, with 262.
| NAME | (SO-BB) | SO | BB | G | W | L | W% | GS | ERA | CG | SHO | SV | IP | H | ER | R | HR | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Miller | 262 | 337 | 75 | 181 | 8 | 6 | .571 | 0 | 2.24 | 0 | 0 | 88 | 196.2 | 101 | 49 | 58 | 14 | 4 | 138 | 6 | 755 | 11 | 15.42 | 3.43 | 4.49 | 0.64 | 44.6 | 9.9 | 0.89 | .268 | 2.65 | 4.62 |
| 2 |  | C. Smith | 255 | 314 | 59 | 219 | 20 | 7 | .741 | 0 | 2.26 | 0 | 0 | 58 | 223.0 | 154 | 56 | 67 | 10 | 11 | 92 | 4 | 884 | 9 | 12.67 | 2.38 | 5.32 | 0.40 | 35.5 | 6.7 | 0.96 | .294 | 2.70 | 6.22 |
| 3 |  | J. Hoffman | 202 | 275 | 73 | 210 | 18 | 18 | .500 | 0 | 3.37 | 0 | 0 | 49 | 200.1 | 159 | 75 | 87 | 25 | 14 | 103 | 7 | 844 | 11 | 12.35 | 3.28 | 3.77 | 1.12 | 32.6 | 8.6 | 1.16 | .293 | 3.91 | 7.14 |
| 4 |  | J. Duran | 186 | 230 | 44 | 191 | 15 | 21 | .417 | 0 | 2.45 | 0 | 0 | 88 | 183.2 | 155 | 50 | 63 | 9 | 13 | 147 | 7 | 751 | 7 | 11.27 | 2.16 | 5.23 | 0.44 | 30.6 | 5.9 | 1.08 | .321 | 3.09 | 7.60 |
| 5 | | B. Abreu | 184 | 288 | 104 | 214 | 12 | 11 | .522 | 0 | 3.01 | 0 | 0 | 17 | 212.0 | 154 | 71 | 73 | 22 | 15 | 50 | 0 | 889 | 15 | 12.23 | 4.42 | 2.77 | 0.93 | 32.4 | 11.7 | 1.22 | .287 | 3.10 | 6.54 |
| 6 | | A. Morejon | 182 | 248 | 66 | 211 | 25 | 11 | .694 | 0 | 2.58 | 0 | 0 | 8 | 223.1 | 177 | 64 | 79 | 10 | 6 | 30 | 12 | 910 | 11 | 9.99 | 2.66 | 3.76 | 0.40 | 27.3 | 7.3 | 1.09 | .288 | 3.18 | 7.13 |
| 7 | | D. Lee | 181 | 229 | 48 | 197 | 12 | 7 | .632 | 0 | 2.86 | 0 | 0 | 2 | 195.0 | 150 | 62 | 71 | 23 | 0 | 16 | 6 | 768 | 3 | 10.57 | 2.22 | 4.77 | 1.06 | 29.8 | 6.3 | 1.02 | .271 | 3.28 | 6.92 |
| 8 |  | J. Hader | 180 | 236 | 56 | 164 | 18 | 12 | .600 | 0 | 2.51 | 0 | 0 | 88 | 168.1 | 91 | 47 | 55 | 21 | 3 | 140 | 1 | 651 | 7 | 12.62 | 2.99 | 4.21 | 1.12 | 36.3 | 8.6 | 0.87 | .209 | 2.94 | 4.87 |
| 9 | | L. Weaver | 178 | 240 | 62 | 186 | 15 | 8 | .652 | 0 | 3.06 | 0 | 0 | 13 | 209.0 | 140 | 71 | 75 | 25 | 8 | 35 | 2 | 831 | 2 | 10.33 | 2.67 | 3.87 | 1.08 | 28.9 | 7.5 | 0.97 | .232 | 3.23 | 6.03 |
| 10 |  | A. Chapman | 177 | 254 | 77 | 188 | 13 | 12 | .520 | 0 | 2.32 | 0 | 0 | 81 | 174.2 | 107 | 45 | 53 | 11 | 3 | 105 | 0 | 706 | 13 | 13.09 | 3.97 | 3.30 | 0.57 | 36.0 | 10.9 | 1.05 | .266 | 2.73 | 5.51 |
| 11 | | J. Estrada | 174 | 240 | 66 | 172 | 12 | 11 | .522 | 0 | 3.27 | 0 | 0 | 5 | 165.0 | 120 | 60 | 69 | 18 | 3 | 26 | 3 | 682 | 11 | 13.09 | 3.60 | 3.64 | 0.98 | 35.2 | 9.7 | 1.13 | .287 | 3.76 | 6.55 |
| 12 |  | A. Muñoz | 171 | 249 | 78 | 185 | 11 | 16 | .407 | 0 | 2.66 | 0 | 0 | 88 | 179.0 | 113 | 53 | 63 | 17 | 8 | 136 | 6 | 726 | 12 | 12.52 | 3.92 | 3.19 | 0.85 | 34.3 | 10.7 | 1.07 | .257 | 3.17 | 5.68 |
| 13 | | G. Jax | 160 | 202 | 42 | 154 | 7 | 14 | .333 | 0 | 3.44 | 0 | 0 | 10 | 144.0 | 118 | 55 | 63 | 14 | 3 | 23 | 5 | 594 | 5 | 12.63 | 2.63 | 4.81 | 0.88 | 34.0 | 7.1 | 1.11 | .312 | 3.94 | 7.38 |
| 14 |  | R. Iglesias | 159 | 205 | 46 | 195 | 11 | 10 | .524 | 0 | 2.56 | 0 | 0 | 97 | 196.2 | 137 | 56 | 65 | 18 | 6 | 158 | 6 | 764 | 1 | 9.38 | 2.11 | 4.46 | 0.82 | 26.8 | 6.0 | 0.93 | .243 | 2.97 | 6.27 |
| 15 |  | E. DÃaz | 158 | 210 | 52 | 137 | 14 | 9 | .609 | 0 | 3.31 | 0 | 0 | 55 | 138.2 | 99 | 51 | 55 | 14 | 14 | 102 | 2 | 570 | 11 | 13.63 | 3.38 | 4.04 | 0.91 | 36.8 | 9.1 | 1.09 | .304 | 3.57 | 6.43 |
| 16 | | T. Scott | 157 | 226 | 69 | 202 | 11 | 16 | .407 | 0 | 2.94 | 0 | 0 | 70 | 192.2 | 147 | 63 | 73 | 18 | 6 | 109 | 10 | 783 | 3 | 10.56 | 3.22 | 3.28 | 0.84 | 28.9 | 8.8 | 1.12 | .278 | 3.41 | 6.87 |
| 17 | | A. Vesia | 154 | 241 | 87 | 207 | 12 | 7 | .632 | 0 | 2.45 | 0 | 0 | 13 | 184.0 | 100 | 50 | 58 | 20 | 6 | 30 | 9 | 737 | 5 | 11.79 | 4.26 | 2.77 | 0.98 | 32.7 | 11.8 | 1.02 | .209 | 2.84 | 4.89 |
| 18 | | D. Bednar | 153 | 220 | 67 | 190 | 16 | 16 | .500 | 0 | 3.42 | 0 | 0 | 85 | 189.2 | 152 | 72 | 83 | 17 | 6 | 152 | 7 | 793 | 8 | 10.44 | 3.18 | 3.28 | 0.81 | 27.7 | 8.4 | 1.15 | .280 | 3.94 | 7.21 |
| 19 | | A. Ashby | 145 | 213 | 68 | 128 | 19 | 5 | .792 | 0 | 2.52 | 0 | 0 | 7 | 171.1 | 139 | 48 | 53 | 11 | 6 | 23 | 1 | 713 | 15 | 11.19 | 3.57 | 3.13 | 0.58 | 29.9 | 9.5 | 1.21 | .308 | 2.78 | 7.30 |
| 20 | | F. Cruz | 144 | 234 | 90 | 176 | 10 | 18 | .357 | 0 | 3.91 | 0 | 0 | 4 | 163.1 | 123 | 71 | 77 | 19 | 6 | 19 | 4 | 697 | 17 | 12.89 | 4.96 | 2.60 | 1.05 | 33.6 | 12.9 | 1.30 | .299 | 4.24 | 6.78 |
| 21 |  | L. Varland | 140 | 190 | 50 | 153 | 9 | 10 | .474 | 0 | 2.93 | 0 | 0 | 35 | 166.0 | 144 | 54 | 66 | 11 | 3 | 62 | 3 | 680 | 3 | 10.30 | 2.71 | 3.80 | 0.60 | 27.9 | 7.4 | 1.17 | .312 | 3.58 | 7.81 |
| 22 | | H. Gaddis | 139 | 196 | 57 | 219 | 14 | 8 | .636 | 0 | 2.50 | 0 | 0 | 4 | 201.2 | 156 | 56 | 60 | 19 | 8 | 20 | 3 | 809 | 5 | 8.75 | 2.54 | 3.44 | 0.85 | 24.2 | 7.0 | 1.06 | .259 | 2.68 | 6.96 |
| 23 | | G. Cleavinger | 136 | 207 | 71 | 186 | 13 | 15 | .464 | 0 | 3.49 | 0 | 0 | 10 | 162.2 | 129 | 63 | 69 | 21 | 16 | 29 | 1 | 690 | 4 | 11.45 | 3.93 | 2.92 | 1.16 | 30.0 | 10.3 | 1.23 | .288 | 3.82 | 7.14 |
| 24 | | S. Okert | 135 | 182 | 47 | 177 | 12 | 6 | .667 | 0 | 3.03 | 0 | 0 | 2 | 172.0 | 122 | 58 | 62 | 19 | 9 | 16 | 4 | 682 | 3 | 9.52 | 2.46 | 3.87 | 0.99 | 26.7 | 6.9 | 0.98 | .242 | 3.24 | 6.38 |
| 25 | | G. Soto | 134 | 214 | 80 | 205 | 10 | 15 | .400 | 0 | 4.04 | 0 | 0 | 19 | 180.1 | 167 | 81 | 94 | 13 | 26 | 59 | 6 | 808 | 22 | 10.68 | 3.99 | 2.68 | 0.65 | 26.5 | 9.9 | 1.37 | .324 | 4.69 | 8.33 |
StatMuse has game-level data for strikeouts and walks allowed going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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