Delivery Value System
Of 271 ratings posted on 4 verified review sites, Delivery Value System has an average rating of 4.70 stars. This earns a Rating Score™ of 97.03.
I have used this program for the United Shore Professional Baseball League for two years. Each year the average velocity for all pitchers in the league increases while the injury rate significantly decreases. Unlike other programs shoulder health improves and the gains are sustainable.