Batting average against

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: ${\displaystyle BAA={\frac {H}{BF-BB-HBP-SH-SF-CINT}}}$

for which:

• BF is the number of batters faced by the pitcher
• BB is the number of base on balls
• HBP is the number of hit batsmen
• SH is the number of sacrifice hits
• SF is the number of sacrifice flies
• CINT is the number of catcher's interference

See also[]

• Hits per nine innings

References[]

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