league era last ten years
| LEAGUE | 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 | 4.22 | 22,841 | .501 | 11,432 | 11,407 | 193,667 | 116 | 5,749 | 202612.1 | 191,475 | 94,896 | 103,144 | 26,703 | 73,870 | 9,432 | 3,814 | 864,373 | 7,625 | 8.60 | 3.28 | 2.62 | 1.19 | 22.4 | 8.5 | 1.31 | .294 | 4.58 | 8.51 |
| 2 | AL | 4.23 | 22,837 | .499 | 11,406 | 11,431 | 192,894 | 101 | 5,671 | 202632.2 | 191,702 | 95,246 | 103,436 | 27,949 | 71,958 | 8,979 | 2,708 | 862,613 | 8,329 | 8.57 | 3.20 | 2.68 | 1.24 | 22.4 | 8.3 | 1.30 | .292 | 4.59 | 8.51 |
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 
PIT 
WSH 
ATL 
KCR 
BAL 
MIA 
BOS 
CIN 
