
Since 2022, 50 pitchers are tied for the best ERA by a relief pitcher, with an ERA of 0.00. The first three are Cameron Weston, Sam Haggerty and Welinton Herrera.
| 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 | C. Weston | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 33.3 | 33.3 | 1.00 | .000 | 0.00 | 0.00 | ||
| 2 | S. Haggerty | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
| 3 | W. Herrera | 0.00 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 10 | 0 | 7.71 | 3.86 | 2.00 | 0.00 | 20.0 | 10.0 | 1.29 | .286 | 0.00 | 7.71 | ||
| 4 | A. Santa | 0.00 | 2 | 0 | 1 | .000 | 0 | 2 | 0 | 0 | 0 | 3.0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 9 | 0 | 6.00 | 0.00 | 0.00 | 22.2 | 0.0 | 0.00 | .000 | 3.00 | 0.00 | ||
| 5 | T. Andrews | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 11 | 0 | 3.00 | 6.00 | 0.50 | 0.00 | 9.1 | 18.2 | 1.00 | .125 | 0.00 | 3.00 | ||
| 6 | J. Tong | 0.00 | 2 | 1 | 0 | 1.000 | 0 | 3 | 0 | 0 | 0 | 6.2 | 3 | 0 | 1 | 0 | 5 | 0 | 1 | 0 | 28 | 0 | 4.05 | 6.75 | 0.60 | 0.00 | 10.7 | 17.9 | 1.20 | .150 | 1.35 | 4.05 | |
| 7 | Y. Cruz | 0.00 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2.1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 9 | 0 | 11.57 | 0.00 | 0.00 | 33.3 | 0.0 | 0.43 | .200 | 0.00 | 3.86 | |||
| 8 | B. Sullivan | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 10 | 0 | 0.00 | 3.00 | 0.00 | 0.00 | 0.0 | 10.0 | 0.67 | .111 | 0.00 | 3.00 | ||
| 9 | K. Rocker | 0.00 | 1 | 1 | 0 | 1.000 | 0 | 7 | 0 | 0 | 0 | 7.2 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 28 | 0 | 8.22 | 3.52 | 2.33 | 0.00 | 25.0 | 10.7 | 0.78 | .167 | 0.00 | 3.52 | |
| 10 | A. Macko | 0.00 | 6 | 1 | 0 | 1.000 | 0 | 4 | 0 | 0 | 0 | 4.1 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 18 | 0 | 8.31 | 0.00 | 0.00 | 22.2 | 0.0 | 0.92 | .308 | 0.00 | 8.31 | ||
| 11 | C. Cortes | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 5 | 0 | 0.00 | 9.00 | 0.00 | 0.00 | 0.0 | 20.0 | 2.00 | .250 | 0.00 | 9.00 | ||
| 12 | D. González | 0.00 | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5.2 | 5 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | 24 | 0 | 7.94 | 4.76 | 1.67 | 0.00 | 20.8 | 12.5 | 1.41 | .313 | 0.00 | 7.94 | ||
| 13 | A. Gamboa | 0.00 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
| 14 | W. Kempner | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 4.50 | 0.00 | 0.00 | 16.7 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
| 15 | N. Davila | 0.00 | 7 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 7.1 | 3 | 0 | 0 | 0 | 6 | 0 | 2 | 0 | 29 | 0 | 4.91 | 7.36 | 0.67 | 0.00 | 13.8 | 20.7 | 1.23 | .158 | 0.00 | 3.68 | ||
| 16 | E. Rivera | 0.00 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3.1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 8.10 | 0.00 | 0.00 | 30.0 | 0.0 | 0.30 | .143 | 0.00 | 2.70 | |||
| 17 | M. Barnett | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 9 | 0 | 4.50 | 9.00 | 0.50 | 0.00 | 11.1 | 22.2 | 1.50 | .167 | 0.00 | 4.50 | ||
| 18 | P.J. Higgins | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
| 19 | D. Davitt | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 0.00 | 9.00 | 0.00 | 0.00 | 0.0 | 33.3 | 1.00 | .000 | 0.00 | 0.00 | ||
| 20 | W. Ureña | 0.00 | 2 | 0 | 1 | .000 | 0 | 2 | 0 | 0 | 0 | 1.2 | 5 | 0 | 6 | 0 | 3 | 0 | 0 | 1 | 15 | 1 | 10.80 | 16.20 | 0.67 | 0.00 | 13.3 | 20.0 | 4.80 | .500 | 32.40 | 27.00 | |
| 21 | A. Pope | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2.0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | 4.50 | 4.50 | 1.00 | 0.00 | 11.1 | 11.1 | 1.50 | .286 | 0.00 | 9.00 | ||
| 22 | C. Kershaw | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
| 23 | R. Sasaki | 0.00 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 18.00 | 0.00 | 0.00 | 57.1 | 0.0 | 0.50 | .333 | 0.00 | 4.50 | |||
| 24 | D. Hamel | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 6 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 3.00 | .600 | 0.00 | 27.00 | |||
| 25 | L. Davidson | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
StatMuse has game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
40 | 19 | .678 | ||
30 | 28 | .517 | 9.5 | |
30 | 29 | .508 | 10.0 | |
26 | 33 | .441 | 14.0 | |
25 | 33 | .431 | 14.5 | |
| NL Central | W | L | PCT | GB |
34 | 21 | .618 | ||
32 | 27 | .542 | 4.0 | |
30 | 26 | .536 | 4.5 | |
31 | 28 | .525 | 5.0 | |
29 | 28 | .509 | 6.0 | |
| NL West | W | L | PCT | GB |
37 | 21 | .638 | ||
32 | 25 | .561 | 4.5 | |
31 | 26 | .544 | 5.5 | |
22 | 36 | .379 | 15.0 | |
22 | 37 | .373 | 15.5 |
| AL East | W | L | PCT | GB |
|---|---|---|---|---|
35 | 20 | .636 | ||
35 | 23 | .603 | 1.5 | |
29 | 30 | .492 | 8.0 | |
27 | 32 | .458 | 10.0 | |
24 | 33 | .421 | 12.0 | |
| AL Central | W | L | PCT | GB |
34 | 26 | .567 | ||
31 | 27 | .534 | 2.0 | |
27 | 32 | .458 | 6.5 | |
22 | 36 | .379 | 11.0 | |
22 | 37 | .373 | 11.5 | |
| AL West | W | L | PCT | GB |
30 | 29 | .508 | ||
28 | 30 | .483 | 1.5 | |
27 | 31 | .466 | 2.5 | |
27 | 33 | .450 | 3.5 | |
23 | 36 | .390 | 7.0 |