O’Malley turned in eight-under-par 64 and is at 11-under 133 after 36 holes of the tournament. He is tied with Nick Dougherty, who shot 66 Friday, and Hennie Otto, who had a 67 in the second round.
Players rotate over Carnoustie, the Old Course at St. Andrews and Kingsbarns, with Sunday’s final round set for the Old Course.
O'Malley and Dougherty played Carnoustie on Friday, while Otto played at St. Andrews. Ernie Els, who had a 67 at St. Andrews Friday, is one of five golfers tied for fourth place at minus-10 134.
O’Malley started the day on the wrong foot, heading off to the course but forgetting his clubs. Once he got on the course, he immediately made a statement with birdies on the first three holes. He also birdied No. 6 to get to seven-under.
He opened the back nine as he had the front nine with three consecutive birdies and added two more at 14 and 15. After a bogey at No. 16, he parred to tied for course record.
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