Phil Mickelson is one of the headline acts at LIV Golf Andalucia this week, but four years ago, he was showing off his class by making good on a promise at a Pro-Am event on the PGA Tour ...

Long before he switched allegiances to LIV Golf, three-time Masters champion Phil Mickelson stuck to his word when letting a spectator caddie for him in a Pro-Am event at TPC Boston ...