5 pitchers were tied for the best ERA by an NL relief pitcher when pitching at least 5 innings last month, with an ERA of 0.00. The first three are Carmen Mlodzinski, Ryan Rolison and Brennan Bernardino.
| NAME | ERA | IP | MONTH | 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 |  | C. Mlodzinski | 0.00 | 6.0 | April 2026 | 1 | 1 | 0 | 1.000 | 0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 23 | 0 | 7.50 | 3.00 | 2.50 | 0.00 | 21.7 | 8.7 | 0.67 | .133 | 0.00 | 3.00 |
| 2 | | R. Rolison | 0.00 | 6.0 | April 2026 | 3 | 1 | 0 | 1.000 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 19 | 0 | 4.50 | 0.00 | 0.00 | 15.8 | 0.0 | 0.50 | .188 | 0.00 | 4.50 | |
| 3 | | B. Bernardino | 0.00 | 10.0 | April 2026 | 10 | 2 | 0 | 1.000 | 0 | 10 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | 1 | 1 | 3 | 1 | 36 | 0 | 9.00 | 0.90 | 10.00 | 0.00 | 27.8 | 2.8 | 0.80 | .292 | 0.90 | 6.30 |
| 4 | | R. Iglesias | 0.00 | 7.2 | April 2026 | 7 | 0 | 0 | 0 | 11 | 0 | 0 | 5 | 5 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 28 | 0 | 12.91 | 1.17 | 11.00 | 0.00 | 39.3 | 3.6 | 0.78 | .313 | 0.00 | 5.87 | |
| 5 | | J. Estrada | 0.00 | 5.1 | April 2026 | 5 | 1 | 0 | 1.000 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 20 | 0 | 6.75 | 3.38 | 2.00 | 0.00 | 20.0 | 10.0 | 0.94 | .214 | 3.38 | 5.06 |
| 6 | | A. Senzatela | 0.53 | 17.0 | April 2026 | 8 | 1 | 0 | 1.000 | 0 | 16 | 0 | 0 | 2 | 8 | 1 | 2 | 0 | 4 | 0 | 3 | 1 | 61 | 0 | 8.47 | 2.12 | 4.00 | 0.00 | 26.2 | 6.6 | 0.71 | .195 | 1.06 | 4.24 |
| 7 | | T. Clarke | 0.63 | 14.1 | April 2026 | 13 | 1 | 1 | .500 | 0 | 6 | 0 | 0 | 0 | 8 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 52 | 0 | 3.77 | 0.63 | 6.00 | 0.00 | 11.5 | 1.9 | 0.63 | .182 | 1.26 | 5.02 |
| 8 | | C. Kilian | 0.69 | 13.0 | April 2026 | 12 | 1 | 0 | 1.000 | 0 | 15 | 0 | 0 | 0 | 5 | 1 | 1 | 1 | 7 | 1 | 2 | 1 | 51 | 0 | 10.38 | 4.85 | 2.14 | 0.69 | 29.4 | 13.7 | 0.92 | .148 | 0.69 | 3.46 |
| 9 | | J. Morillo | 0.71 | 12.2 | April 2026 | 12 | 1 | 0 | 1.000 | 0 | 16 | 0 | 0 | 1 | 6 | 1 | 1 | 0 | 2 | 0 | 1 | 0 | 47 | 1 | 11.37 | 1.42 | 8.00 | 0.00 | 34.0 | 4.3 | 0.63 | .207 | 0.71 | 4.26 |
| 10 | | G. Ashcraft | 0.75 | 12.0 | April 2026 | 12 | 1 | 0 | 1.000 | 0 | 9 | 0 | 0 | 1 | 10 | 1 | 2 | 0 | 6 | 0 | 3 | 0 | 47 | 0 | 6.75 | 4.50 | 1.50 | 0.00 | 19.1 | 12.8 | 1.33 | .313 | 1.50 | 7.50 |
| 11 | | J. King | 0.77 | 11.2 | April 2026 | 13 | 1 | 0 | 1.000 | 0 | 11 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 4 | 2 | 3 | 1 | 43 | 0 | 8.49 | 3.09 | 2.75 | 0.77 | 25.6 | 9.3 | 0.51 | .040 | 0.77 | 1.54 |
| 12 |  | R. Suarez | 0.84 | 10.2 | April 2026 | 11 | 2 | 0 | 1.000 | 0 | 12 | 0 | 0 | 3 | 6 | 1 | 1 | 0 | 2 | 0 | 4 | 0 | 39 | 1 | 10.13 | 1.69 | 6.00 | 0.00 | 30.8 | 5.1 | 0.75 | .240 | 0.84 | 5.06 |
| 13 | | B. Burke | 0.87 | 10.1 | April 2026 | 12 | 0 | 1 | .000 | 0 | 15 | 0 | 0 | 1 | 8 | 1 | 4 | 0 | 4 | 1 | 3 | 0 | 45 | 0 | 13.06 | 3.48 | 3.75 | 0.00 | 33.3 | 8.9 | 1.16 | .320 | 3.48 | 6.97 |
| 14 | | C. Shugart | 1.00 | 9.0 | April 2026 | 9 | 2 | 0 | 1.000 | 0 | 9 | 0 | 0 | 0 | 8 | 1 | 1 | 1 | 2 | 2 | 3 | 0 | 37 | 0 | 9.00 | 2.00 | 4.50 | 1.00 | 24.3 | 5.4 | 1.11 | .304 | 1.00 | 8.00 |
| 15 | | G. Graceffo | 1.10 | 16.1 | April 2026 | 12 | 2 | 0 | 1.000 | 0 | 9 | 0 | 0 | 1 | 7 | 2 | 3 | 0 | 6 | 2 | 3 | 0 | 60 | 0 | 4.96 | 3.31 | 1.50 | 0.00 | 15.0 | 10.0 | 0.80 | .163 | 1.65 | 3.86 |
| 16 | | K. Backhus | 1.23 | 7.1 | April 2026 | 7 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 5 | 1 | 2 | 1 | 0 | 0 | 2 | 0 | 27 | 0 | 9.82 | 0.00 | 1.23 | 29.6 | 0.0 | 0.68 | .222 | 2.45 | 6.14 | ||
| 17 | | M. Miller | 1.26 | 14.1 | April 2026 | 14 | 1 | 0 | 1.000 | 0 | 27 | 0 | 0 | 9 | 6 | 2 | 2 | 0 | 2 | 0 | 13 | 0 | 50 | 2 | 16.95 | 1.26 | 13.50 | 0.00 | 54.0 | 4.0 | 0.56 | .286 | 1.26 | 3.77 |
| 18 |  | D. Peterson | 1.29 | 7.0 | April 2026 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 7 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 28 | 0 | 3.86 | 1.29 | 3.00 | 1.29 | 10.7 | 3.6 | 1.14 | .273 | 1.29 | 9.00 | |
| 19 | | C. Phillips | 1.29 | 14.0 | April 2026 | 13 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 7 | 2 | 2 | 1 | 12 | 3 | 2 | 0 | 63 | 1 | 9.00 | 7.71 | 1.17 | 0.64 | 22.2 | 19.0 | 1.36 | .182 | 1.29 | 4.50 | |
| 20 | | W. Dotel | 1.35 | 6.2 | April 2026 | 3 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 3 | 0 | 1 | 0 | 25 | 0 | 5.40 | 4.05 | 1.33 | 1.35 | 16.0 | 12.0 | 0.75 | .059 | 1.35 | 2.70 | |
| 21 | | T. Kinley | 1.38 | 13.0 | April 2026 | 14 | 3 | 1 | .750 | 0 | 13 | 0 | 0 | 0 | 9 | 2 | 3 | 0 | 7 | 1 | 2 | 1 | 55 | 1 | 9.00 | 4.85 | 1.86 | 0.00 | 23.6 | 12.7 | 1.23 | .265 | 2.08 | 6.23 |
| 22 | | H. Milner | 1.42 | 12.2 | April 2026 | 12 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 7 | 2 | 2 | 1 | 4 | 1 | 3 | 0 | 47 | 0 | 3.55 | 2.84 | 1.25 | 0.71 | 10.6 | 8.5 | 0.87 | .167 | 1.42 | 4.97 | |
| 23 | | D. Lee | 1.42 | 12.2 | April 2026 | 13 | 1 | 0 | 1.000 | 0 | 15 | 0 | 0 | 0 | 5 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 45 | 0 | 10.66 | 1.42 | 7.50 | 0.00 | 33.3 | 4.4 | 0.55 | .179 | 1.42 | 3.55 |
| 24 | | C. Edwards Jr. | 1.50 | 6.0 | April 2026 | 2 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 4 | 0 | 1 | 0 | 25 | 0 | 16.50 | 6.00 | 2.75 | 1.50 | 44.0 | 16.0 | 1.17 | .222 | 1.50 | 4.50 | |
| 25 | | K. Hurt | 1.50 | 6.0 | April 2026 | 6 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 1 | 5 | 0 | 22 | 0 | 10.50 | 0.00 | 0.00 | 31.8 | 0.0 | 0.50 | .214 | 1.50 | 4.50 | ||
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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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
26 | 13 | .667 | ||
19 | 20 | .487 | 7.0 | |
17 | 22 | .436 | 9.0 | |
17 | 22 | .436 | 9.0 | |
15 | 23 | .395 | 10.5 | |
| NL Central | W | L | PCT | GB |
27 | 12 | .692 | ||
23 | 15 | .605 | 3.5 | |
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21 | 18 | .538 | 6.0 | |
20 | 19 | .513 | 7.0 | |
| NL West | W | L | PCT | GB |
24 | 14 | .632 | ||
22 | 16 | .579 | 2.0 | |
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Diamondbacks| AL East | W | L | PCT | GB |
|---|---|---|---|---|
26 | 13 | .667 | ||
25 | 13 | .658 | 0.5 | |
17 | 21 | .447 | 8.5 | |
17 | 22 | .436 | 9.0 | |
17 | 22 | .436 | 9.0 | |
| AL Central | W | L | PCT | GB |
21 | 19 | .525 | ||
18 | 21 | .462 | 2.5 | |
18 | 21 | .462 | 2.5 | |
17 | 21 | .447 | 3.0 | |
16 | 23 | .410 | 4.5 | |
| AL West | W | L | PCT | GB |
20 | 18 | .526 | ||
19 | 20 | .487 | 1.5 | |
17 | 21 | .447 | 3.0 | |
16 | 23 | .410 | 4.5 | |
15 | 24 | .385 | 5.5 |
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