On-Base Plus Slugging. So it is a combination of a players
On-Base Percentage (OBP) and their Slugging Percentage (SLG). For
example, if a player has a .448 OBP and a .613 SLG they would have
an OPS of 1.061.
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On base percentage Plus Slugging percentage.
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OPS stands for 'on base percentage plus slugging percentage' and
is equal to (on base percentage + slugging percentage).
If a player's on base percentage is .350 and slugging percentage
is .500, the OPS is .850.