 It was moving day in Scotland. Billy Horschel sits atop the leaderboard at four under. He fired a two under 69 for a one shot lead over six golfers, including fellow Americans Sam Burns, Russell Henley and Xander Shoffley. After three rounds of the open at Royal Troon, tough day for second round leader Shane Lowry. He fell into ninth place, three shots off the pace after carting a six over 77.