Since 2000, Alan Embree has the worst ERA by a relief pitcher when pitching at least 400 innings, with an ERA of 4.73.
| NAME | ERA | IP | G | W | L | W% | GS | SO | CG | SHO | SV | 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 |  | A. Embree | 4.73 | 542.0 | 642 | 25 | 35 | .417 | 0 | 482 | 0 | 0 | 23 | 538 | 285 | 306 | 66 | 179 | 13 | 163 | 28 | 2,314 | 10 | 8.00 | 2.97 | 2.69 | 1.10 | 20.8 | 7.7 | 1.32 | .300 | 5.08 | 8.93 |
| 2 | | C. Stratton | 4.70 | 406.0 | 332 | 27 | 12 | .692 | 0 | 400 | 0 | 0 | 16 | 410 | 212 | 234 | 45 | 169 | 8 | 113 | 6 | 1,768 | 15 | 8.87 | 3.75 | 2.37 | 1.00 | 22.6 | 9.6 | 1.43 | .318 | 5.19 | 9.09 |
| 3 | | J. Colome | 4.69 | 426.1 | 341 | 19 | 27 | .413 | 0 | 330 | 0 | 0 | 6 | 418 | 222 | 242 | 49 | 224 | 17 | 125 | 26 | 1,908 | 37 | 6.97 | 4.73 | 1.47 | 1.03 | 17.3 | 11.7 | 1.51 | .286 | 5.11 | 8.82 |
| 4 | | R. White | 4.67 | 551.2 | 454 | 29 | 37 | .439 | 0 | 355 | 0 | 0 | 10 | 587 | 286 | 329 | 63 | 193 | 23 | 124 | 39 | 2,392 | 20 | 5.79 | 3.15 | 1.84 | 1.03 | 14.8 | 8.1 | 1.41 | .298 | 5.37 | 9.58 |
| 5 | | E. Yan | 4.66 | 419.0 | 331 | 20 | 23 | .465 | 0 | 342 | 0 | 0 | 50 | 436 | 217 | 237 | 57 | 153 | 23 | 189 | 20 | 1,838 | 41 | 7.35 | 3.29 | 2.24 | 1.22 | 18.6 | 8.3 | 1.41 | .300 | 5.09 | 9.37 |
| 6 | | B. Boyer | 4.55 | 468.1 | 447 | 17 | 27 | .386 | 0 | 292 | 0 | 0 | 5 | 505 | 237 | 269 | 38 | 165 | 13 | 119 | 19 | 2,026 | 17 | 5.61 | 3.17 | 1.77 | 0.73 | 14.4 | 8.1 | 1.43 | .308 | 5.17 | 9.70 |
| 7 | | B. Logan | 4.50 | 442.0 | 635 | 30 | 23 | .566 | 0 | 479 | 0 | 0 | 3 | 449 | 221 | 242 | 55 | 199 | 22 | 104 | 37 | 1,970 | 23 | 9.75 | 4.05 | 2.41 | 1.12 | 24.3 | 10.1 | 1.47 | .324 | 4.93 | 9.14 |
| 8 | | M. Batista | 4.44 | 403.1 | 330 | 23 | 28 | .451 | 0 | 273 | 0 | 0 | 40 | 406 | 199 | 221 | 46 | 205 | 20 | 142 | 28 | 1,803 | 23 | 6.09 | 4.57 | 1.33 | 1.03 | 15.1 | 11.4 | 1.51 | .286 | 4.93 | 9.06 |
| 9 | | J. Julio | 4.43 | 467.0 | 453 | 17 | 34 | .333 | 0 | 448 | 0 | 0 | 99 | 437 | 230 | 259 | 65 | 233 | 19 | 265 | 21 | 2,065 | 52 | 8.63 | 4.49 | 1.92 | 1.25 | 21.7 | 11.3 | 1.43 | .286 | 4.99 | 8.42 |
| 10 | | R. Villone | 4.42 | 477.0 | 460 | 26 | 27 | .491 | 0 | 394 | 0 | 0 | 3 | 429 | 234 | 255 | 48 | 248 | 36 | 111 | 29 | 2,089 | 21 | 7.43 | 4.68 | 1.59 | 0.91 | 18.9 | 11.9 | 1.42 | .280 | 4.81 | 8.09 |
| 11 | | S. Camp | 4.41 | 592.1 | 541 | 29 | 33 | .468 | 0 | 403 | 0 | 0 | 12 | 682 | 290 | 321 | 65 | 176 | 35 | 143 | 40 | 2,579 | 14 | 6.12 | 2.67 | 2.29 | 0.99 | 15.6 | 6.8 | 1.45 | .325 | 4.88 | 10.36 |
| 12 | | J. Mesa | 4.38 | 532.2 | 532 | 26 | 40 | .394 | 0 | 394 | 0 | 0 | 184 | 555 | 259 | 280 | 58 | 238 | 23 | 359 | 25 | 2,363 | 27 | 6.66 | 4.02 | 1.66 | 0.98 | 16.7 | 10.1 | 1.49 | .301 | 4.73 | 9.38 |
| 13 | | J. Brower | 4.38 | 423.2 | 319 | 21 | 23 | .477 | 0 | 306 | 0 | 0 | 5 | 421 | 206 | 225 | 42 | 195 | 23 | 87 | 14 | 1,852 | 23 | 6.50 | 4.14 | 1.57 | 0.89 | 16.5 | 10.5 | 1.45 | .295 | 4.78 | 8.94 |
| 14 | | J. Grimsley | 4.32 | 418.1 | 392 | 16 | 31 | .340 | 0 | 279 | 0 | 0 | 2 | 417 | 201 | 225 | 38 | 188 | 15 | 95 | 29 | 1,828 | 39 | 6.00 | 4.04 | 1.48 | 0.82 | 15.3 | 10.3 | 1.45 | .290 | 4.84 | 8.97 |
| 15 | | L. Vizcaino | 4.32 | 543.1 | 542 | 35 | 30 | .538 | 0 | 490 | 0 | 0 | 8 | 492 | 261 | 271 | 78 | 234 | 16 | 155 | 37 | 2,331 | 25 | 8.12 | 3.88 | 2.09 | 1.29 | 21.0 | 10.0 | 1.34 | .274 | 4.49 | 8.15 |
| 16 | | C. Durbin | 4.31 | 434.1 | 380 | 24 | 14 | .632 | 0 | 360 | 0 | 0 | 5 | 433 | 208 | 231 | 58 | 201 | 23 | 82 | 24 | 1,916 | 17 | 7.46 | 4.17 | 1.79 | 1.20 | 18.8 | 10.5 | 1.46 | .294 | 4.79 | 8.97 |
| 17 | | J. Grabow | 4.31 | 476.1 | 506 | 24 | 19 | .558 | 0 | 400 | 0 | 0 | 6 | 481 | 228 | 250 | 55 | 220 | 12 | 111 | 23 | 2,105 | 18 | 7.56 | 4.16 | 1.82 | 1.04 | 19.0 | 10.5 | 1.47 | .300 | 4.72 | 9.09 |
| 18 | | T. Jones | 4.25 | 601.0 | 589 | 30 | 38 | .441 | 0 | 447 | 0 | 0 | 191 | 651 | 284 | 311 | 56 | 212 | 21 | 348 | 26 | 2,619 | 19 | 6.69 | 3.17 | 2.11 | 0.84 | 17.1 | 8.1 | 1.44 | .316 | 4.66 | 9.75 |
| 19 | | A. Alfonseca | 4.22 | 439.0 | 444 | 26 | 23 | .531 | 0 | 289 | 0 | 0 | 100 | 487 | 206 | 216 | 38 | 178 | 14 | 223 | 27 | 1,946 | 10 | 5.92 | 3.65 | 1.62 | 0.78 | 14.9 | 9.1 | 1.51 | .315 | 4.43 | 9.98 |
| 20 | | L. Jackson | 4.22 | 409.1 | 390 | 23 | 16 | .590 | 0 | 424 | 0 | 0 | 28 | 402 | 192 | 214 | 44 | 187 | 18 | 128 | 20 | 1,802 | 28 | 9.32 | 4.11 | 2.27 | 0.97 | 23.5 | 10.4 | 1.44 | .317 | 4.71 | 8.84 |
| 21 | | A. Fultz | 4.22 | 478.0 | 462 | 25 | 15 | .625 | 0 | 392 | 0 | 0 | 3 | 463 | 224 | 240 | 50 | 185 | 18 | 111 | 27 | 2,046 | 12 | 7.38 | 3.48 | 2.12 | 0.94 | 19.2 | 9.0 | 1.36 | .295 | 4.52 | 8.72 |
| 22 | | J. Tavarez | 4.21 | 442.1 | 419 | 25 | 29 | .463 | 0 | 307 | 0 | 0 | 22 | 469 | 207 | 251 | 33 | 183 | 37 | 118 | 26 | 1,966 | 13 | 6.25 | 3.72 | 1.68 | 0.67 | 15.6 | 9.3 | 1.47 | .310 | 5.11 | 9.54 |
| 23 | | K. Gregg | 4.20 | 677.1 | 586 | 26 | 44 | .371 | 0 | 631 | 0 | 0 | 177 | 636 | 316 | 342 | 71 | 313 | 26 | 382 | 21 | 2,963 | 50 | 8.38 | 4.16 | 2.02 | 0.94 | 21.3 | 10.6 | 1.40 | .294 | 4.54 | 8.45 |
| 24 | | D. Baez | 4.19 | 543.0 | 507 | 31 | 47 | .397 | 0 | 384 | 0 | 0 | 114 | 501 | 253 | 288 | 58 | 213 | 42 | 279 | 24 | 2,337 | 18 | 6.36 | 3.53 | 1.80 | 0.96 | 16.4 | 9.1 | 1.31 | .270 | 4.77 | 8.30 |
| 25 | | M. Castro | 4.18 | 458.2 | 421 | 22 | 26 | .458 | 0 | 407 | 0 | 0 | 14 | 401 | 213 | 232 | 57 | 233 | 24 | 106 | 19 | 1,991 | 33 | 7.99 | 4.57 | 1.75 | 1.12 | 20.4 | 11.7 | 1.38 | .271 | 4.55 | 7.87 |
StatMuse has game-level data for ERA and innings pitched going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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More Red Sox Stats
Team Batting Leaders 
HR
8
Contreras
RBI
23
Contreras
AVG
.305
Abreu
Team Pitching Leaders 
W
4
Gray
K
39
Early
ERA
2.77
Suarez
Team Rankings
HR
31
27th
R
160
28th
SO
337
21st
ERA
3.88
12th
Rays
Yankees
Orioles
Blue Jays
Red Sox
PHI
ATL
KCR
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
30 | 13 | .698 | ||
21 | 22 | .488 | 9.0 | |
20 | 23 | .465 | 10.0 | |
20 | 23 | .465 | 10.0 | |
17 | 25 | .405 | 12.5 | |
| NL Central | W | L | PCT | GB |
27 | 16 | .628 | ||
23 | 17 | .575 | 2.5 | |
24 | 18 | .571 | 2.5 | |
23 | 20 | .535 | 4.0 | |
22 | 21 | .512 | 5.0 | |
| NL West | W | L | PCT | GB |
25 | 17 | .595 | ||
25 | 18 | .581 | 0.5 | |
20 | 22 | .476 | 5.0 | |
18 | 25 | .419 | 7.5 | |
17 | 26 | .395 | 8.5 |
Nationals
Marlins
Mets
Cubs
Brewers
Cardinals
Pirates
Reds
Padres
Dodgers
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
28 | 14 | .667 | ||
27 | 17 | .614 | 2.0 | |
20 | 24 | .455 | 9.0 | |
19 | 24 | .442 | 9.5 | |
18 | 24 | .429 | 10.0 | |
| AL Central | W | L | PCT | GB |
24 | 21 | .533 | ||
21 | 21 | .500 | 1.5 | |
19 | 24 | .442 | 4.0 | |
19 | 24 | .442 | 4.0 | |
19 | 24 | .442 | 4.0 | |
| AL West | W | L | PCT | GB |
22 | 20 | .524 | ||
21 | 22 | .488 | 1.5 | |
21 | 23 | .477 | 2.0 | |
17 | 27 | .386 | 6.0 | |
16 | 28 | .364 | 7.0 |
Guardians
White Sox
Twins
Tigers
Athletics
Rangers
Mariners
Astros
Angels