Alex Vesia didn’t know he possessed a superpower. A late-round draft pick with a few cups of coffee in the big leagues, Vesia had neither great numbers nor notable prospect status. He was Clark Kent ...

Welcome RotoBallers to our overview of Spin Rate. This article is a deeper dive into spin rate and is part of our ongoing series "Using Sabermetrics for Fantasy Baseball." In this article, we'll ...

Imanaga throws his four-seam fastball at below league-average velocity, yet he’s still one of the most difficult starting pitchers a hitter can face. Among all the pitches thrown by all the pitchers ...

Liam Doyle's "invisiball" fastball, gripped like a generic four-seamer, is a key weapon for Tennessee baseball. Doyle's fastball has exceptional vertical break and a high spin rate, making it ...