| TEAM | 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 |  | Athletics | 4.61 | 232 | .440 | 102 | 130 | 1,841 | 1 | 49 | 2055.2 | 1,998 | 1,054 | 1,144 | 292 | 792 | 127 | 42 | 8,891 | 71 | 8.06 | 3.47 | 2.32 | 1.28 | 20.7 | 8.9 | 1.36 | .292 | 5.01 | 8.75 |
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.
Astros 
Mariners 
Rangers 
Angels 
Athletics 
MIN 
Phillies 
Mets 
Brewers 
Cubs 
Padres 
Dodgers 
Blue Jays 
Red Sox 
Tigers 
Guardians 
BAL 
AZ 
MIA 
STL 
WSH 
ATL 
