Definition of earned run average in English:

earned run average

Syllabification: earned run av·er·age

noun

Baseball
A statistic used to measure a pitcher’s effectiveness, obtained by calculating the average number of earned runs scored against the pitcher in every nine innings pitched.
More example sentences
  • Radke is a proven commodity, but after compiling a 116-110 record with a 4.32 earned run average in nine seasons, he'd hardly be the number one starter on many contending teams.
  • Whether by batting average, earned run average or wins and losses, baseball's numbers tell us who's hot and who's not.
  • Pitching categories are wins, saves, earned run average and a complicated ratio measuring strikeouts as opposed to hits, which I can never get straight.

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Word of the day abjure
Pronunciation: əbˈdʒʊə
verb
solemnly renounce (a belief, cause, or claim)