Batting average against

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In baseball statistics, batting average against (denoted by BAA or AVG), or opponents' batting average (denoted by OBA) is a statistic that measures a pitcher's ability to prevent hits during official at bats. It can alternatively be described as the league's hitters' combined batting average against the pitcher. It is calculated as: Hits Allowed divided by (Batters Faced minus Walks minus Hit Batsmen minus Sacrifice Hits minus Sacrifice Flies minus Catcher's Interference).[1]

It is calculated as:

for which:

See also[edit]


  1. ^ "Classic Fantasy Baseball Glossary - Definitions of Terms". 2001. Archived from the original on 26 August 2007. Retrieved 2007-07-14.