ERA (Earned Run Average)
Calculate a pitcher's earned run average.
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ERA = 9 × earned runs ÷ innings pitched. Use baseball notation for partial innings: 6.1 means 6⅓ and 6.2 means 6⅔.
ERA = 9 × earned runs ÷ innings pitched. Use baseball notation for partial innings: 6.1 means 6⅓ and 6.2 means 6⅔.