"I try to focus as much as I can on executing the shot, and there's things out there that you can't control," Scheffler said. All I can do is try to hit the shot I'm trying to hit. "I'm three back with one round to go in a major championship," DeChambeau said when he finished his round. Poston, meanwhile, has never finished better than 30th at a major championship. During the first two days, Scheffler shot casual rounds of 69 and 68.