Since May 1, 2026, 50 pitchers are tied for the lowest ERA by a relief pitcher, with an ERA of 0.00. The first three are Max Lazar, Joe Ross and Eiberson Castellano.
| 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 |  | M. Lazar | 0.00 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | 13.50 | 0.00 | 0.00 | 42.9 | 0.0 | 0.50 | .250 | 0.00 | 4.50 | ||
| 2 | | J. Ross | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 3.00 | 0.00 | 0.00 | 10.0 | 0.0 | 0.33 | .111 | 0.00 | 3.00 | ||
| 3 | | E. Castellano | 0.00 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 3.0 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 12 | 0 | 6.00 | 0.00 | 0.00 | 16.7 | 0.0 | 1.33 | .444 | 0.00 | 12.00 | ||
| 4 | | JR Ritchie | 0.00 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5.0 | 2 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 18 | 0 | 9.00 | 3.60 | 2.50 | 0.00 | 27.8 | 11.1 | 0.80 | .182 | 0.00 | 3.60 | |
| 5 | | J. Karinchak | 0.00 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 7 | 0 | 13.50 | 4.50 | 3.00 | 0.00 | 42.9 | 14.3 | 1.00 | .333 | 0.00 | 4.50 | |
| 6 | | J. Criswell | 0.00 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 9 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 22.2 | 22.2 | 1.50 | .200 | 0.00 | 4.50 | |
| 7 | | T. Gilbert | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 33.3 | 6.00 | .500 | 0.00 | 27.00 | |
| 8 | | T. Callihan | 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 | |
| 9 | | C. Crow | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 9 | 0 | 0.00 | 4.50 | 0.00 | 0.00 | 0.0 | 11.1 | 1.00 | .125 | 0.00 | 4.50 | |
| 10 | | S. Natera Jr. | 0.00 | 3 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 4.2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 17 | 2 | 11.57 | 5.79 | 2.00 | 0.00 | 35.3 | 17.6 | 0.64 | .000 | 0.00 | 0.00 | |
| 11 | | T. Heineman | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 12 | | D. Morgan | 0.00 | 3 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 5.0 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 20 | 0 | 14.40 | 1.80 | 8.00 | 0.00 | 40.0 | 5.0 | 1.00 | .400 | 0.00 | 7.20 | |
| 13 |  | J. Hader | 0.00 | 6 | 1 | 0 | 1.000 | 0 | 8 | 0 | 0 | 3 | 6.0 | 1 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 20 | 0 | 12.00 | 1.50 | 8.00 | 0.00 | 40.0 | 5.0 | 0.33 | .091 | 0.00 | 1.50 |
| 14 | | R. Ahlstrom | 0.00 | 5 | 1 | 0 | 1.000 | 0 | 4 | 0 | 0 | 0 | 6.0 | 4 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 22 | 0 | 6.00 | 1.50 | 4.00 | 0.00 | 18.2 | 4.5 | 0.83 | .235 | 0.00 | 6.00 |
| 15 | | C. Booser | 0.00 | 6 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 7.0 | 3 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 26 | 0 | 12.86 | 3.86 | 3.33 | 0.00 | 38.5 | 11.5 | 0.86 | .231 | 0.00 | 3.86 | |
| 16 | | B. Williamson | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 4 | 0 | 0.00 | 9.00 | 0.00 | 0.00 | 0.0 | 25.0 | 1.00 | .000 | 0.00 | 0.00 | |
| 17 | | S. Aldegheri | 0.00 | 2 | 0 | 1 | .000 | 0 | 6 | 0 | 0 | 0 | 6.1 | 5 | 0 | 1 | 0 | 2 | 0 | 2 | 0 | 25 | 0 | 8.53 | 2.84 | 3.00 | 0.00 | 24.0 | 8.0 | 1.11 | .294 | 1.42 | 7.11 |
| 18 | | D. Sommers | 0.00 | 7 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 5.0 | 2 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 21 | 1 | 12.60 | 5.40 | 2.33 | 0.00 | 33.3 | 14.3 | 1.00 | .200 | 0.00 | 3.60 | |
| 19 | | 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 | |
| 20 | | A.J. Minter | 0.00 | 8 | 0 | 1 | .000 | 0 | 7 | 0 | 0 | 0 | 7.1 | 4 | 0 | 1 | 0 | 1 | 0 | 4 | 0 | 27 | 0 | 8.59 | 1.23 | 7.00 | 0.00 | 25.9 | 3.7 | 0.68 | .211 | 1.23 | 4.91 |
| 21 | | G. Speier | 0.00 | 7 | 1 | 0 | 1.000 | 0 | 5 | 0 | 0 | 0 | 5.2 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 20 | 0 | 7.94 | 1.59 | 5.00 | 0.00 | 25.0 | 5.0 | 0.35 | .083 | 0.00 | 1.59 |
| 22 | | 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 | ||
| 23 | | L. Allen | 0.00 | 1 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 4.0 | 5 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 19 | 0 | 15.75 | 2.25 | 7.00 | 0.00 | 36.8 | 5.3 | 1.50 | .455 | 4.50 | 11.25 | |
| 24 | | 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 | |
| 25 | | 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 | |
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 |
|---|---|---|---|---|
46 | 25 | .648 | ||
40 | 33 | .548 | 7.0 | |
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|---|---|---|---|---|
44 | 27 | .620 | ||
41 | 29 | .586 | 2.5 | |
35 | 38 | .479 | 10.0 | |
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| AL Central | W | L | PCT | GB |
38 | 33 | .535 | ||
39 | 34 | .534 | ||
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