What is the meaning of the word "earned run average"?
Definitions:
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A statistical measure used in baseball to evalueate a pitcher's effectiveness, that represents the average number of earned runs allowed by a pitcher per nine innings pitched. NOUN
- With an ERA of 2.85, the pitcher is having an outstanding season.
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Measures how many earned runs a pitcher allows on average over a standard game of nine innings. NOUN
- His Earned Run Average increased after giving up five runs in last night's game.