For more than two decades, there have been two golfers who have captivated, inspired, frustrated, and entertained us more than any others: Tiger Woods and Phil Mickelson. While Woods has long been the sport's biggest star, the more low-profile Mickleson is a fascinating figure in his own right. Both players have gone through injury and health problems, legal problems, falling in and out of favor with the press, and over the course of their time together in the game, Bob Harig reveals, they have gradually become not just rivals but friends.