 Tristan Lawrence made birdies at 3, 4, 7, and 9. 7 under, and the 27-year-old South African has the lead at the Open. Justin Rose is 6 under at Royal Troon. Xander Schauffele birdied 6 and 7, has not made a bogey yet. Playing the 11th, he's 5 under and close with a birdie putt. Billy Horschel, 2 bogeys in his last 3 holes. 4 under, heading to 11. Russell Henley stuck in neutral, minus 1 today. He is 4 under par.