Baseball Articles

Understanding Rapsodo Pitching Data: Spin Rate & Efficiency Profile (Curveball, Slider, Changeup)
Curveball Curveballs and sliders typically will register the highest raw spin totals of all pitches (MLB average spin rate ≈2430-2530 rpms), though these ranges can...

Understanding Rapsodo Hitting Data: Spin Rate
The use of spin rate has mostly been referred to as a characteristic of pitching, but it can be applied to hitting as well. Every batted ball has...

Understanding Rapsodo Pitching Data: Spin Rate & Efficiency Profile (Fastball)
In 2019, MLB four-seam fastball spun at roughly 2300 rpms; however, the most effective four-seamers averaged well above that mark. Given the nature of the...