How Coach Corey Martin Uses the Backward Extension Metric

by Corey Martin | 1 min read

Coach Corey Martin shows us how he has been working with a high school pitcher to improve his arm path while simultaneously lowering his Backward Extension distance. Learn more below!

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.