Increase Fastball Velocity by Increasing Spin Efficiency with Coach Corey Martin

by Corey Martin | 1 min read

Hear from Coach Corey Martin about how increasing your Spin Efficiency to 90%-100% can help to increase the velocity of your fastball and how other metrics, such as Arm Slot, fit into the equation.

Corey Martin

Corey Martin pitched four years at Western Carolina University before being drafted by the Cubs in 2009 and spending 3 seasons in their organization. He's spent the last 9 years coaching on the Outer Banks of North Carolina working with little leaguers all the way up to pro ball players at OBX Baseball Training.