Zach Guthrie has fit a lot of the golf world into his career. From a college player, to coach, to caddie for his brother, Luke, he now totes the bag for PGA Tour winner Tyler Duncan. As they try to make it to the Tour Championship, Zach joins the pod to talk about the journey, pushing the right buttons, the tools of research, modern golfers and much more. BMW Championship Picks at around 46:00