19 teams are tied for the lowest ERA in a month, with an ERA of 0.00. The first three are the Pittsburgh Pirates 4 times, the Boston Red Sox in October 2023 and in October 2006 and the Chicago White Sox in October 2023.
Showing
| TEAM | ERA | MONTH | G | W% | W | L | SO | SHO | SV | IP | H | ER | R | HR | BB | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Pirates | 0.00 | October 2023 | 1 | 1.000 | 1 | 0 | 11 | 0 | 1 | 9.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 30 | 1 | 11.00 | 1.00 | 11.00 | 0.00 | 36.7 | 3.3 | 0.44 | .167 | 0.00 | 3.00 |
| 2 |  | Red Sox | 0.00 | October 2023 | 1 | 1.000 | 1 | 0 | 9 | 0 | 0 | 9.0 | 2 | 0 | 1 | 0 | 4 | 0 | 0 | 33 | 0 | 9.00 | 4.00 | 2.25 | 0.00 | 27.3 | 12.1 | 0.67 | .100 | 1.00 | 2.00 |
| 3 |  | White Sox | 0.00 | October 2023 | 1 | .000 | 0 | 1 | 8 | 0 | 0 | 11.0 | 7 | 0 | 2 | 0 | 7 | 0 | 0 | 44 | 0 | 6.55 | 5.73 | 1.14 | 0.00 | 18.2 | 15.9 | 1.27 | .241 | 1.64 | 5.73 |
| 4 |  | Padres | 0.00 | October 2023 | 1 | 1.000 | 1 | 0 | 16 | 0 | 0 | 11.0 | 7 | 0 | 1 | 0 | 3 | 1 | 1 | 44 | 0 | 13.09 | 2.45 | 5.33 | 0.00 | 36.4 | 6.8 | 0.91 | .292 | 0.82 | 5.73 |
| 5 |  | Brewers | 0.00 | October 2023 | 1 | 1.000 | 1 | 0 | 8 | 0 | 0 | 9.0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 34 | 0 | 8.00 | 2.00 | 4.00 | 0.00 | 23.5 | 5.9 | 0.78 | .208 | 0.00 | 5.00 |
| 6 |  | Mariners | 0.00 | October 2023 | 1 | 1.000 | 1 | 0 | 11 | 0 | 1 | 9.0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 11.00 | 0.00 | 0.00 | 36.7 | 0.0 | 0.44 | .211 | 0.00 | 4.00 | |
| 7 |  | Cubs | 0.00 | March 2023 | 1 | 1.000 | 1 | 0 | 12 | 0 | 0 | 9.0 | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 34 | 1 | 12.00 | 5.00 | 2.40 | 0.00 | 35.3 | 14.7 | 1.00 | .235 | 0.00 | 4.00 |
| 8 |  | Twins | 0.00 | March 2023 | 1 | 1.000 | 1 | 0 | 11 | 0 | 1 | 9.0 | 2 | 0 | 0 | 0 | 5 | 1 | 0 | 33 | 0 | 11.00 | 5.00 | 2.20 | 0.00 | 33.3 | 15.2 | 0.78 | .125 | 0.00 | 2.00 |
| 9 |  | Yankees | 0.00 | March 2023 | 1 | 1.000 | 1 | 0 | 16 | 0 | 0 | 9.0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 33 | 0 | 16.00 | 3.00 | 5.33 | 0.00 | 48.5 | 9.1 | 0.78 | .286 | 0.00 | 4.00 |
| 10 |  | Rays | 0.00 | March 2023 | 1 | 1.000 | 1 | 0 | 6 | 0 | 0 | 9.0 | 6 | 0 | 0 | 0 | 3 | 0 | 0 | 35 | 0 | 6.00 | 3.00 | 2.00 | 0.00 | 17.1 | 8.6 | 1.00 | .231 | 0.00 | 6.00 |
| 11 |  | Phillies | 0.00 | October 2017 | 1 | 1.000 | 1 | 0 | 11 | 0 | 0 | 9.0 | 2 | 0 | 0 | 0 | 5 | 1 | 0 | 35 | 1 | 11.00 | 5.00 | 2.20 | 0.00 | 31.4 | 14.3 | 0.78 | .111 | 0.00 | 2.00 |
| 12 | | Rays | 0.00 | October 2017 | 1 | 1.000 | 1 | 0 | 18 | 0 | 0 | 9.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 2 | 18.00 | 0.00 | 0.00 | 58.1 | 0.0 | 0.33 | .231 | 0.00 | 3.00 | |
| 13 | | Pirates | 0.00 | March 2014 | 1 | 1.000 | 1 | 0 | 11 | 0 | 0 | 10.0 | 6 | 0 | 0 | 0 | 4 | 0 | 0 | 38 | 0 | 9.90 | 3.60 | 2.75 | 0.00 | 28.9 | 10.5 | 1.00 | .261 | 0.00 | 5.40 |
| 14 |  | Cardinals | 0.00 | March 2014 | 1 | 1.000 | 1 | 0 | 12 | 0 | 1 | 9.0 | 3 | 0 | 0 | 0 | 5 | 0 | 1 | 36 | 1 | 12.00 | 5.00 | 2.40 | 0.00 | 33.3 | 13.9 | 0.89 | .158 | 0.00 | 3.00 |
| 15 |  | Indians | 0.00 | March 2014 | 1 | 1.000 | 1 | 0 | 7 | 0 | 1 | 9.0 | 5 | 0 | 0 | 0 | 4 | 0 | 0 | 36 | 2 | 7.00 | 4.00 | 1.75 | 0.00 | 19.4 | 11.1 | 1.00 | .200 | 0.00 | 5.00 |
| 16 |  | Brewers | 0.00 | March 2014 | 1 | 1.000 | 1 | 0 | 7 | 0 | 1 | 9.0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 34 | 0 | 7.00 | 2.00 | 3.50 | 0.00 | 20.6 | 5.9 | 0.78 | .200 | 0.00 | 5.00 |
| 17 |  | Braves | 0.00 | March 2011 | 1 | 1.000 | 1 | 0 | 9 | 0 | 1 | 9.0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 33 | 0 | 9.00 | 2.00 | 4.50 | 0.00 | 27.3 | 6.1 | 0.78 | .227 | 0.00 | 5.00 |
| 18 |  | Dodgers | 0.00 | March 2008 | 1 | 1.000 | 1 | 0 | 4 | 0 | 0 | 9.0 | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 32 | 0 | 4.00 | 3.00 | 1.33 | 0.00 | 12.5 | 9.4 | 0.89 | .200 | 0.00 | 5.00 |
| 19 |  | Padres | 0.00 | March 2008 | 1 | 1.000 | 1 | 0 | 4 | 0 | 0 | 9.0 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 34 | 0 | 4.00 | 4.00 | 1.00 | 0.00 | 11.8 | 11.8 | 0.89 | .154 | 0.00 | 4.00 |
| 20 | | Pirates | 0.00 | October 2006 | 1 | 1.000 | 1 | 0 | 4 | 0 | 1 | 9.0 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 33 | 1 | 4.00 | 2.00 | 2.00 | 0.00 | 12.1 | 6.1 | 0.67 | .148 | 0.00 | 4.00 |
| 21 | | Red Sox | 0.00 | October 2006 | 1 | 1.000 | 1 | 0 | 6 | 1 | 0 | 5.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 15 | 0 | 10.80 | 1.80 | 6.00 | 0.00 | 40.0 | 6.7 | 0.20 | .000 | 0.00 | 0.00 |
| 22 | | Pirates | 0.00 | March 2003 | 1 | 1.000 | 1 | 0 | 4 | 0 | 0 | 9.0 | 4 | 0 | 1 | 0 | 3 | 0 | 0 | 35 | 0 | 4.00 | 3.00 | 1.33 | 0.00 | 11.4 | 8.6 | 0.78 | .143 | 1.00 | 4.00 |
| 23 | | Dodgers | 0.00 | March 2003 | 1 | 1.000 | 1 | 0 | 7 | 1 | 0 | 9.0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 30 | 0 | 7.00 | 1.00 | 7.00 | 0.00 | 23.3 | 3.3 | 0.56 | .182 | 0.00 | 4.00 |
| 24 |  | Royals | 0.00 | March 2003 | 1 | 1.000 | 1 | 0 | 8 | 0 | 1 | 9.0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 31 | 0 | 8.00 | 2.00 | 4.00 | 0.00 | 25.8 | 6.5 | 0.56 | .143 | 0.00 | 3.00 |
| 25 | | Indians | 0.00 | March 2002 | 1 | 1.000 | 1 | 0 | 5 | 1 | 0 | 9.0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 33 | 0 | 5.00 | 2.00 | 2.50 | 0.00 | 15.2 | 6.1 | 0.78 | .192 | 0.00 | 5.00 |
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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 | |
74 | 88 | .457 | 20.0 | |
| 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 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
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Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 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 | |
79 | 83 | .488 | 19.0 | |
| 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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