MLB era league average this regular season
Interpreted as:
MLB era league average this regular season| LEAGUE | ERA | SEASON | G | W% | W | L | GS | SO | CG | 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 | 2025 | 2,430 | .497 | 1,208 | 1,222 | 2,430 | 20,085 | 14 | 8 | 613 | 21510.2 | 20,253 | 10,076 | 10,951 | 2,762 | 7,619 | 998 | 247 | 91,552 | 728 | 8.40 | 3.19 | 2.64 | 1.16 | 21.9 | 8.3 | 1.30 | .291 | 4.58 | 8.47 |
| 2 | AL | 4.09 | 2025 | 2,430 | .503 | 1,222 | 1,208 | 2,430 | 20,560 | 15 | 5 | 588 | 21564.1 | 19,885 | 9,793 | 10,663 | 2,888 | 7,760 | 930 | 309 | 91,374 | 702 | 8.58 | 3.24 | 2.65 | 1.21 | 22.5 | 8.5 | 1.28 | .287 | 4.45 | 8.30 |
Phillies 
Mets 
Brewers 
Cubs 
Dodgers 
Padres 
Blue Jays 
Yankees 
Guardians 
Tigers 
Mariners 
Astros 
ATL 
WSH 
ATH 
BOS 
