MLB league average era may
| 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 | May 2024 | 3.85 | 405 | .496 | 201 | 204 | 3,359 | 2 | 98 | 3610.2 | 3,338 | 1,546 | 1,717 | 411 | 1,212 | 165 | 45 | 15,232 | 130 | 8.37 | 3.02 | 2.77 | 1.02 | 22.1 | 8.0 | 1.26 | .290 | 4.28 | 8.32 |
| 2 | AL | May 2024 | 3.93 | 413 | .504 | 208 | 205 | 3,407 | 0 | 101 | 3664.0 | 3,242 | 1,598 | 1,754 | 435 | 1,245 | 152 | 42 | 15,337 | 108 | 8.37 | 3.06 | 2.74 | 1.07 | 22.2 | 8.1 | 1.22 | .278 | 4.31 | 7.96 |
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.
Mets 
Phillies 
Cubs 
Reds 
Dodgers 
Giants 
Yankees 
Red Sox 
Tigers 
Guardians 
Mariners 
Astros 
TOR 
BAL 
ATL 
TBR 
CWS 
ATH 
MIN 
STL 
PIT 
WSH 
