This section focuses on all things PITCHf/X
What difference does it make if the pitch a hitter puts into play is in the strike zone or out of it? Quite a lot.
According to pitch values, Phillies pitchers had the best changeups in baseball but were among the league's worst at fastball effectiveness in 2014.
Not all fly balls are created equally. A $325M Giancarlo Stanton fly ball is different than, say, a $120M Elvis Andrus fly ball.
The most notable pitcher committed to an effective velocity based approach, let's examine the specifics of a few of his recent sequences through the lens of effective velocity.