Between the 2017 and 2021 seasons, Felipe Vazquez had the best ERA by a relief pitcher when pitching in 150+ games, with an ERA of 2.02.
| NAME | ERA | G | W | L | W% | GS | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | F. Vazquez | 2.02 | 199 | 14 | 6 | .700 | 0 | 267 | 0 | 0 | 86 | 205.1 | 153 | 46 | 55 | 13 | 57 | 9 | 147 | 2 | 832 | 8 | 11.70 | 2.50 | 4.68 | 0.57 | 32.1 | 6.9 | 1.02 | .288 | 2.41 | 6.71 |
| 2 |  | J. Hader | 2.26 | 232 | 16 | 13 | .552 | 0 | 482 | 0 | 0 | 96 | 282.1 | 135 | 71 | 74 | 34 | 106 | 14 | 121 | 3 | 1,085 | 5 | 15.36 | 3.38 | 4.55 | 1.08 | 44.4 | 9.8 | 0.85 | .225 | 2.36 | 4.30 |
| 3 |  | K. Jansen | 2.61 | 292 | 18 | 13 | .581 | 0 | 390 | 0 | 0 | 161 | 296.1 | 204 | 86 | 99 | 33 | 85 | 13 | 243 | 5 | 1,190 | 8 | 11.84 | 2.58 | 4.59 | 1.00 | 32.8 | 7.1 | 0.98 | .256 | 3.01 | 6.20 |
| 4 | | K. Yates | 2.63 | 193 | 9 | 14 | .391 | 0 | 287 | 0 | 0 | 56 | 184.2 | 133 | 54 | 63 | 21 | 53 | 13 | 94 | 3 | 749 | 6 | 13.99 | 2.58 | 5.42 | 1.02 | 38.3 | 7.1 | 1.01 | .299 | 3.07 | 6.48 |
| 5 |  | S. Lugo | 2.72 | 166 | 14 | 11 | .560 | 0 | 249 | 0 | 0 | 13 | 218.0 | 164 | 66 | 72 | 21 | 60 | 8 | 44 | 9 | 869 | 4 | 10.28 | 2.48 | 4.15 | 0.87 | 28.7 | 6.9 | 1.03 | .269 | 2.97 | 6.77 |
| 6 |  | C. Kimbrel | 2.74 | 234 | 14 | 11 | .560 | 0 | 380 | 0 | 0 | 116 | 227.0 | 126 | 69 | 73 | 30 | 92 | 13 | 179 | 2 | 901 | 24 | 15.07 | 3.65 | 4.13 | 1.19 | 42.2 | 10.2 | 0.96 | .249 | 2.89 | 5.00 |
| 7 | | L. Hendriks | 2.75 | 253 | 19 | 10 | .655 | 0 | 365 | 0 | 0 | 78 | 258.2 | 193 | 79 | 88 | 27 | 59 | 3 | 133 | 7 | 1,022 | 20 | 12.70 | 2.05 | 6.19 | 0.94 | 35.7 | 5.8 | 0.97 | .292 | 3.06 | 6.72 |
| 8 | | Z. Britton | 2.80 | 187 | 8 | 5 | .615 | 0 | 148 | 0 | 0 | 34 | 176.2 | 135 | 55 | 61 | 9 | 92 | 6 | 80 | 2 | 733 | 20 | 7.54 | 4.69 | 1.61 | 0.46 | 20.2 | 12.6 | 1.28 | .264 | 3.11 | 6.88 |
| 9 |  | A. Chapman | 2.82 | 241 | 17 | 10 | .630 | 0 | 366 | 0 | 0 | 124 | 226.2 | 141 | 71 | 80 | 19 | 117 | 13 | 192 | 4 | 945 | 27 | 14.53 | 4.65 | 3.13 | 0.75 | 38.7 | 12.4 | 1.14 | .284 | 3.18 | 5.60 |
| 10 | | R. Osuna | 2.84 | 174 | 9 | 9 | .500 | 0 | 191 | 0 | 0 | 99 | 171.1 | 127 | 54 | 57 | 12 | 25 | 9 | 147 | 0 | 668 | 8 | 10.03 | 1.31 | 7.64 | 0.63 | 28.6 | 3.7 | 0.89 | .267 | 2.99 | 6.67 |
| 11 | | C. Knebel | 2.84 | 171 | 9 | 7 | .563 | 0 | 255 | 0 | 0 | 58 | 164.2 | 111 | 52 | 54 | 19 | 79 | 6 | 82 | 6 | 673 | 2 | 13.94 | 4.32 | 3.23 | 1.04 | 37.9 | 11.7 | 1.15 | .293 | 2.95 | 6.07 |
| 12 |  | B. Treinen | 2.85 | 296 | 27 | 21 | .563 | 0 | 340 | 0 | 0 | 78 | 312.2 | 253 | 99 | 115 | 23 | 116 | 12 | 141 | 9 | 1,299 | 16 | 9.79 | 3.34 | 2.93 | 0.66 | 26.2 | 8.9 | 1.18 | .285 | 3.31 | 7.28 |
| 13 | | W. Harris | 2.86 | 203 | 12 | 8 | .600 | 0 | 208 | 0 | 0 | 7 | 185.2 | 155 | 59 | 66 | 20 | 47 | 2 | 33 | 1 | 750 | 11 | 10.08 | 2.28 | 4.43 | 0.97 | 27.7 | 6.3 | 1.09 | .285 | 3.20 | 7.51 |
| 14 | | A. Loup | 2.86 | 220 | 11 | 5 | .688 | 0 | 189 | 0 | 0 | 0 | 179.1 | 161 | 57 | 68 | 12 | 64 | 18 | 29 | 5 | 766 | 3 | 9.49 | 3.21 | 2.95 | 0.60 | 24.7 | 8.4 | 1.25 | .308 | 3.41 | 8.08 |
| 15 | | R. Iglesias | 2.86 | 284 | 19 | 28 | .404 | 0 | 395 | 0 | 0 | 134 | 308.0 | 239 | 98 | 111 | 41 | 90 | 7 | 245 | 8 | 1,240 | 8 | 11.54 | 2.63 | 4.39 | 1.20 | 31.9 | 7.3 | 1.07 | .280 | 3.24 | 6.98 |
| 16 | | C. Green | 2.86 | 230 | 30 | 16 | .652 | 0 | 391 | 0 | 0 | 9 | 301.2 | 214 | 96 | 105 | 38 | 67 | 7 | 37 | 6 | 1,168 | 15 | 11.67 | 2.00 | 5.84 | 1.13 | 33.5 | 5.7 | 0.93 | .265 | 3.13 | 6.38 |
| 17 | | D. Castillo | 2.88 | 174 | 17 | 14 | .548 | 0 | 216 | 0 | 0 | 28 | 181.0 | 123 | 58 | 69 | 22 | 70 | 13 | 60 | 6 | 735 | 10 | 10.74 | 3.48 | 3.09 | 1.09 | 29.4 | 9.5 | 1.07 | .244 | 3.43 | 6.12 |
| 18 |  | B. Hand | 2.90 | 292 | 19 | 21 | .475 | 0 | 384 | 0 | 0 | 124 | 295.1 | 228 | 95 | 116 | 32 | 96 | 28 | 194 | 12 | 1,218 | 10 | 11.70 | 2.93 | 4.00 | 0.98 | 31.5 | 7.9 | 1.10 | .289 | 3.53 | 6.95 |
| 19 | | S. Cishek | 2.90 | 295 | 11 | 13 | .458 | 0 | 261 | 0 | 0 | 12 | 267.1 | 201 | 86 | 95 | 21 | 121 | 29 | 61 | 11 | 1,130 | 13 | 8.79 | 4.07 | 2.16 | 0.71 | 23.1 | 10.7 | 1.20 | .258 | 3.20 | 6.77 |
| 20 | | T. Rogers | 2.95 | 262 | 14 | 17 | .452 | 0 | 297 | 0 | 0 | 50 | 253.1 | 223 | 83 | 92 | 23 | 60 | 12 | 80 | 12 | 1,032 | 7 | 10.55 | 2.13 | 4.95 | 0.82 | 28.8 | 5.8 | 1.12 | .313 | 3.27 | 7.92 |
| 21 | | J. Alvarez | 2.95 | 280 | 14 | 12 | .538 | 0 | 203 | 0 | 0 | 3 | 238.0 | 222 | 78 | 90 | 20 | 70 | 3 | 41 | 11 | 992 | 6 | 7.68 | 2.65 | 2.90 | 0.76 | 20.5 | 7.1 | 1.23 | .290 | 3.40 | 8.39 |
| 22 | | A. Bradley | 2.98 | 273 | 20 | 15 | .571 | 0 | 297 | 0 | 0 | 30 | 284.1 | 247 | 94 | 100 | 24 | 100 | 14 | 74 | 6 | 1,189 | 3 | 9.40 | 3.17 | 2.97 | 0.76 | 25.0 | 8.4 | 1.22 | .296 | 3.17 | 7.82 |
| 23 | | P. Baez | 2.98 | 214 | 14 | 11 | .560 | 0 | 213 | 0 | 0 | 3 | 211.1 | 157 | 70 | 82 | 22 | 83 | 7 | 28 | 5 | 878 | 2 | 9.07 | 3.53 | 2.57 | 0.94 | 24.3 | 9.5 | 1.14 | .244 | 3.49 | 6.69 |
| 24 | | R. Pressly | 2.98 | 276 | 12 | 13 | .480 | 0 | 344 | 0 | 0 | 43 | 271.2 | 216 | 90 | 99 | 28 | 73 | 7 | 93 | 8 | 1,096 | 21 | 11.40 | 2.42 | 4.71 | 0.93 | 31.4 | 6.7 | 1.06 | .292 | 3.28 | 7.16 |
| 25 | | C. Gearrin | 2.99 | 195 | 7 | 6 | .538 | 0 | 163 | 0 | 0 | 1 | 180.2 | 159 | 60 | 61 | 15 | 81 | 17 | 42 | 6 | 771 | 11 | 8.12 | 4.04 | 2.01 | 0.75 | 21.1 | 10.5 | 1.33 | .291 | 3.04 | 7.92 |
StatMuse has game-level data for games pitched going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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AVG
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Team Pitching Leaders 
W
10
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216
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ERA
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HR
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MLB 2025 Batting Leaders
MLB 2025 Pitching Leaders
MLB Fantasy 2025
MLB 2025 Betting
MLB 2025 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
76 | 86 | .469 | 20.0 | |
66 | 96 | .407 | 30.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
71 | 91 | .438 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
80 | 82 | .494 | 13.0 | |
43 | 119 | .265 | 50.0 |
Marlins
Braves
Nationals
Giants
Diamondbacks
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Rays
Orioles
Royals
Twins
White Sox
Astros
Rangers
Athletics
Angels
