Now there’s new research from Glenn Healey and Lequan Wang in the electrical engineering and computer science departments at the University of California, Irvine which shows that as the seam height changes, the movement on pitches changes. By using optical and radar tracking, and correcting for weather effects, Healey and Wang were able to graph the movement of pitches by season in major league baseball. … Healey’s new study has the benefit of over 700,000 pitches of TrackMan data behind it. [Subscription required, you can request an electronic copy of the article by sending an email to communications@uci.edu.] Read More