Stats You Should Know: O-swing % Edition

Josh Hamilton, OF, Los Angeles Angels

There’s a reason that “O-swing %” is filed under plate discipline stats at FanGraphs. It’s a good measure of plate discipline for a hitter and how good a pitcher is at making hitters forget plate discipline.

Simply put, O-swing % measures how often a hitter swings at pitches outside the strike zone. To calculate for hitters, simply divide the number of swings outside the