The Art of Deception: A Primer on Perceived Pitch Velocity Matt Wilkes 06/05/2019 A breakdown of perceived velocity, a Statcast metric that measures how fast the ball appears to the hitter after it's released by the pitcher.
Evaluating Pitching: Part 3 – Pitcher Arsenals Steve Mancuso 03/01/2019 6 This posts looks at whether we can judge pitchers based on the innate qualities of individual pitches.