50 pitchers are tied for the lowest career ERA by an AL relief pitcher when pitching at least 6 innings, with an ERA of 0.00. The first three are Brendan Cellucci, Noah Cameron and Konnor Pilkington.
| 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 |  | B. Cellucci | 0.00 | 8.2 | 6 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 30 | 0 | 11.42 | 3.12 | 3.67 | 0.00 | 36.7 | 10.0 | 0.58 | .125 | 0.00 | 2.08 | |
| 2 |  | N. Cameron | 0.00 | 7.0 | 1 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 24 | 1 | 10.29 | 3.86 | 2.67 | 0.00 | 33.3 | 12.5 | 0.71 | .154 | 0.00 | 2.57 | |
| 3 | | K. Pilkington | 0.00 | 9.0 | 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 5 | 0 | 4 | 0 | 35 | 0 | 8.00 | 5.00 | 1.60 | 0.00 | 22.9 | 14.3 | 0.89 | .136 | 0.00 | 3.00 | |
| 4 | | C. Overton | 0.00 | 6.2 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 24 | 1 | 5.40 | 2.70 | 2.00 | 0.00 | 16.7 | 8.3 | 0.90 | .222 | 0.00 | 5.40 | |
| 5 | | R. Whalen | 0.00 | 6.0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 20 | 0 | 3.00 | 1.50 | 2.00 | 0.00 | 10.0 | 5.0 | 0.33 | .059 | 0.00 | 1.50 | |
| 6 | | E. Olmos | 0.00 | 7.2 | 4 | 1 | 0 | 1.000 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 30 | 0 | 2.35 | 2.35 | 1.00 | 0.00 | 6.7 | 6.7 | 0.91 | .200 | 0.00 | 5.87 |
| 7 | | L. Darnell | 0.00 | 6.0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 22 | 0 | 4.50 | 1.50 | 3.00 | 0.00 | 13.6 | 4.5 | 0.67 | .167 | 0.00 | 4.50 | |
| 8 | | E. Threets | 0.00 | 12.1 | 11 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 9 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 45 | 0 | 4.38 | 2.19 | 2.00 | 0.00 | 13.3 | 6.7 | 0.97 | .250 | 0.73 | 6.57 | |
| 9 | | J. Meloan | 0.00 | 10.1 | 8 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 3 | 0 | 3 | 0 | 35 | 0 | 11.32 | 2.61 | 4.33 | 0.00 | 37.1 | 8.6 | 0.58 | .158 | 0.87 | 2.61 | |
| 10 | | K. Igawa | 0.00 | 7.1 | 3 | 1 | 0 | 1.000 | 0 | 6 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 28 | 1 | 7.36 | 4.91 | 1.50 | 0.00 | 21.4 | 14.3 | 1.23 | .278 | 0.00 | 6.14 |
| 11 | | J. Vermilyea | 0.00 | 6.0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 22 | 0 | 3.00 | 0.00 | 0.00 | 9.1 | 0.0 | 0.83 | .250 | 0.00 | 7.50 | ||
| 12 | | M. Smith | 0.00 | 12.0 | 12 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 8 | 0 | 6 | 1 | 46 | 0 | 6.75 | 6.00 | 1.13 | 0.00 | 19.6 | 17.4 | 1.00 | .138 | 0.00 | 3.00 | |
| 13 | | O. Hernandez | 0.00 | 13.0 | 5 | 1 | 0 | 1.000 | 0 | 11 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 4 | 1 | 2 | 0 | 49 | 0 | 7.62 | 2.77 | 2.75 | 0.00 | 22.4 | 8.2 | 0.62 | .121 | 0.00 | 2.77 |
| 14 | | E. Yarnall | 0.00 | 8.2 | 4 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | 33 | 0 | 8.31 | 4.15 | 2.00 | 0.00 | 24.2 | 12.1 | 1.15 | .286 | 0.00 | 6.23 | |
| 15 | | J. McDowell | 0.00 | 6.0 | 2 | 1 | 0 | 1.000 | 0 | 6 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 24 | 0 | 9.00 | 4.50 | 2.00 | 0.00 | 25.0 | 12.5 | 1.17 | .267 | 0.00 | 6.00 |
| 16 | | H. Parker | 0.00 | 7.0 | 3 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 22 | 0 | 6.43 | 0.00 | 0.00 | 22.7 | 0.0 | 0.43 | .176 | 0.00 | 3.86 | ||
| 17 | | C. Twombly | 0.00 | 7.0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 10 | 1 | 3 | 34 | 1 | 2.57 | 12.86 | 0.20 | 0.00 | 5.9 | 29.4 | 2.00 | .190 | 2.57 | 5.14 | ||
| 18 | | D. Robertson | 0.00 | 6.0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 3 | 23 | 0 | 3.00 | 0.00 | 0.00 | 8.7 | 0.0 | 0.67 | .190 | 1.50 | 6.00 | |||
| 19 | | N. Brady | 0.00 | 6.2 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 5 | 0 | 1 | 25 | 0 | 5.40 | 6.75 | 0.80 | 0.00 | 16.0 | 20.0 | 1.20 | .188 | 0.00 | 4.05 | ||
| 20 | | B. Van Dyke | 0.00 | 8.1 | 2 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 5 | 3 | 0 | 5 | 0 | 2 | 34 | 1 | 7.56 | 5.40 | 1.40 | 0.00 | 20.6 | 14.7 | 1.20 | .227 | 3.24 | 5.40 | |||
| 21 | | B. Napier | 0.00 | 17.1 | 5 | 1 | 0 | 1.000 | 0 | 7 | 0 | 0 | 0 | 17 | 9 | 0 | 6 | 2 | 3 | 74 | 0 | 3.63 | 3.12 | 1.17 | 0.00 | 9.5 | 8.1 | 1.33 | .288 | 4.67 | 8.83 | ||
| 22 | | I. Davis | 0.00 | 8.2 | 3 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 11 | 10 | 1 | 4 | 0 | 2 | 39 | 2 | 6.23 | 4.15 | 1.50 | 1.04 | 15.4 | 10.3 | 1.73 | .357 | 10.38 | 11.42 | |||
| 23 | | R. Jordan | 0.00 | 10.1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 8 | 2 | 0 | 0 | 1 | 42 | 0 | 0.00 | 0.00 | 1.74 | 0.0 | 0.0 | 1.26 | .275 | 6.97 | 11.32 | ||||
| 24 | | P. Musser | 0.00 | 15.1 | 6 | 0 | 0 | 0 | 9 | 0 | 0 | 2 | 11 | 5 | 0 | 12 | 2 | 2 | 69 | 1 | 5.28 | 7.04 | 0.75 | 0.00 | 13.0 | 17.4 | 1.50 | .239 | 2.93 | 6.46 | |||
| 25 | | T. Thompson | 0.00 | 22.2 | 5 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 27 | 21 | 0 | 11 | 2 | 5 | 100 | 2 | 4.37 | 4.37 | 1.00 | 0.00 | 11.0 | 11.0 | 1.68 | .355 | 8.34 | 10.72 | |||
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 |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
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| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
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| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
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|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
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| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
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64 | 98 | .395 | 17.0 | |
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