Home » White Paper White Papers An Evidence-Based Solution to Baseball's UCL Tear Problem Anticipated Effect of the Implementation of a Pitch Clock on UCL Injuries in MLB Methods to Improve Fastball Spin Rate Evidence based. Proven results. Newsletter Sign up Get access to the latest research, FPG updates, and product release notifications. Email Join Us E-mail address: Leave this field empty if you’re human: © 2022 FLEXPRO GRIP WE CHANGE PITCHERS’ CAREERS. Twitter Instagram CONTACT US | ABOUT US | PRIVACY & COOKIE POLICY | TERMS OF SERVICE