About ERA

Earned run average (ERA) is a metric that shows how many earned runs on average, a pitcher or team's pitcher, gives up over the course of nine innings. It is calculated by dividing earned runs by innings pitched then multiplying the result by 9. Generally, for ERA, lower is better. (Source)

Top Philadelphia Tigers Players by ERA

Which Philadelphia Tigers players rank highest in ERA? Below are the top ten by single season and by career totals with the team, requiring at least 50 innings pitched for a season record, or 100 innings pitched for a career record with the team.
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Philadelphia Tigers ERA Per Season

Philadelphia Tigers's ERA for each season of their history, plotted alongside yearly averages for MLB, the Eastern Colored League, and the Eastern Colored League.
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Philadelphia Tigers ERA Season Distribution vs. MLB and Peers

Each box summarizes ERA across all seasons, comparing the Philadelphia Tigers to MLB as a whole, the Eastern Colored League, and the Eastern Colored League. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max values.
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Philadelphia Tigers ERA Year-Over-Year Change

A waterfall chart showing how the Philadelphia Tigers's ERA shifted season over season. Each bar represents the change from the previous year, making it easy to spot peak and decline phases.
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Philadelphia Tigers ERA — Season-by-Season Breakdown

Every season of Philadelphia Tigers's history with ERA alongside yearly averages for MLB, the Eastern Colored League, and the Eastern Colored League. Career totals include sum, average, minimum, maximum, and median.
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