Throwing Progression – QB Drill: At Home Baseball Drills with AI9 by Joe Boyle Lead Instructor at AI9 Baseball June 2, 2023 | 0 minutes, 10 seconds read The QB Drill for throwing progression will help get into your legs and drive through the backside. Stay on the baseball and finish out front for good carry while making strong and accurate throws consistently. sports in this article Baseball tags in this article AI9 Baseball Athlete Healthy at Home Training & Drills