A PGA Tour pro explained what separates Jordan Spieth from fellow stars like Rory McIlroy and Dustin Johnson

Jordan Spieth surged to victory at the Open Championship on Sunday, raising his career major count to three. The pro, speaking on the condition of anonymity, said that Spieth’s mental game and desire are what set him apart from the crowd. “A few of us were talking about it and we agreed there’s more drive with Jordan and more determination to be No. 1 and to be the greatest,’ said one veteran American player.