Michigan native Willie Mack III has overcome a lot of adversity on his way to a start @RocketClassic after qualifying via Sunday's win @TheJShippen. https://t.co/Gcuqn3ooqr https://video.twimg.com/amplify_video/1805699200706842625/vid/avc1/720x900/tdu2A-tKRyA2HXk8.mp4?tag=14