how many innings to qualify for era

To qualify for the official MLB ERA title , a pitcher must throw at least one inning per team game in that season.

Core rule

• In a standard 162-game MLB season , that means 162 innings pitched are required to qualify for the ERA leaderboard and title.

• This mirrors the batting title rule (3.1 plate appearances per team game).

Historical note

• Before schedules expanded, when teams played 154 games , pitchers needed 154 innings to qualify.

So if you’re asking “how many innings to qualify for ERA?” in the MLB context, the practical answer today is: 162 innings in a 162-game season.