Using a comparison to a quarterback’s arm position, I discuss one of the most common flaws in shoulder mechanics that can cause inefficient spin, loss of velocity, and diminished command of the baseball. Leading with the elbow is especially common in youth pitchers. With an anatomy lesson in the forearm, and excellent questions from Coach Larry Owens of Bellarmine University, I teach how to see what it looks like and offer some tips on the why and how of understanding the issue.