Earned Run Average (noun) Definition, Meaning & Examples

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noun Baseball.
  1. a measure of the effectiveness of a pitcher, calculated by dividing the number of earned runs scored against the pitcher by the number of innings pitched and multiplying the result by nine: His earned run average is currently a worrisome 6.21, as he has pitched 42 innings and given up 29 earned runs.Abbreviation: ERA
Earned Run Average (noun) Definition, Meaning & Examples

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