Harold Mozingo is a former pitcher in the Royals and Blue Jays organizations. He is the inventor of the TorqueScrew training device for training pitchers on how to use ground force effectively. He is the author of Young Guns Eguide, a 90 page complete guide to training youth pitchers. It includes Velocity Development, Mechanics, Strength Training, Workload, Training for Control, How-To Guide's for each pitch type (including pictures of grips), Training Guides by Age, Sample Routines and more! He also offers baseball lessons and training near Tappahannock, VA.

You can find Harold on Facebook, Twitter and Instagram.