Adam Kolloff is a talented young golf instructor and a bright mind in golf teaching. Mentored by Hall of Fame Golf Teacher, Jim McLean, Adam was previously the Director of Instruction at Liberty National Golf Course, site of the 2017 President's Cup. He now owns "Pure Drive Golf" and is a "Golf Digest Best Young Teacher in America". Adam joins "On the Mark" to share some golf drills designed to improve your golf swing, your ball-striking and your scoring.