<Table> <Tr> <Td> </Td> <Td> This article may need to be rewritten entirely to comply with Wikipedia's quality standards . You can help . The discussion page may contain suggestions . (November 2009) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article may need to be rewritten entirely to comply with Wikipedia's quality standards . You can help . The discussion page may contain suggestions . (November 2009) </Td> </Tr> <P> In baseball, an at bat (AB) or time at bat is a batter's turn batting against a pitcher . An at bat is different from a plate appearance . A batter is credited with a plate appearance regardless of what happens during his turn at bat . A batter is credited with an at bat only if that plate appearance does not have one of the results enumerated below . While at bats are used to calculate certain statistics, including batting average and slugging percentage, a player can qualify for the season - ending rankings in these categories only if he accumulates 502 plate appearances during the season . </P> <P> A batter will not receive credit for an at bat if his plate appearance ends under the following circumstances: </P>

Does a walk count as a plate appearance