on-base percentage

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Related to On base percentage: Ops, Slugging percentage

on-base percentage

(ŏn′bās′, ôn′-)
n. Baseball
A batter's number of times of reaching base safely, excluding instances resulting from a fielder's choice or an error, divided by the total number of times batting minus sacrifices, expressed as a three-digit decimal and used as a measure of a batter's overall effectiveness.
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