Downright Filthy Pitching Book 1: The Science of Effective Velocity

Downright Filthy Pitching - The Science of Effective Velocity is the study of baseball pitch speeds and how location changes the reaction time of the hitter. This science answers why pitchers are great one day and aweful the next and why hitters fall into slumps with no answers. For the first time there is scientific proof that will teach pitchers how to go from 'Nasty' to 'Downright Filthy'.