MLB league average era vs avge sept era
| LEAGUE | MONTH | ERA | 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 | NL | September 2025 | 4.15 | 376 | .500 | 188 | 188 | 3,328 | 1 | 107 | 3342.1 | 3,075 | 1,540 | 1,677 | 464 | 1,157 | 160 | 45 | 14,142 | 122 | 8.96 | 3.12 | 2.88 | 1.25 | 23.5 | 8.2 | 1.27 | .289 | 4.52 | 8.28 |
| 2 | AL | September 2025 | 4.06 | 380 | .500 | 190 | 190 | 3,349 | 2 | 87 | 3365.2 | 3,046 | 1,519 | 1,641 | 435 | 1,163 | 121 | 38 | 14,149 | 127 | 8.96 | 3.11 | 2.88 | 1.16 | 23.7 | 8.2 | 1.25 | .288 | 4.39 | 8.15 |
StatMuse has team, game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Phillies
Mets
Brewers
Cubs
Dodgers
Padres
Blue Jays
Yankees
Guardians
Tigers
Mariners
Astros
CIN
STL
ATL
WSH
ATH
BOS
TBR
KCR
SFG
LAA
PIT
AZ
