Brian Mogg is a former PGA TOUR player and now one of the leading instructors in golf. Highly respected, Mogg is a Golf Magazine Top 100 Teacher and a Golf Digest Top 50 Instructor. He has lead 30 professionals to wins on the PGA and LPGA Tours. He joins "On the Mark" to help you understand technique and lower your scores. He demonstrates drills designed to help feel and understanding. Brian shares insights on putting, chipping and pitching, swing arc width and a more loaded pivot with better rotation.