EDMOND, Okla. (AP) Colin Montgomerie leads after the first round at the U.S. Senior Open.
Montgomerie shot a 6-under par 65 in oppressive heat Thursday at Oak Tree National. The Scotsman started on 10 and birdied 14, 15 and 16 on the way to a 33 on the back nine. He birdied six, seven and eight to finish strong.
Marco Dawson is second after a 66. He also started on the back nine and shot 2 under, then was steady on the front nine before making birdies on seven, eight and nine.
Mark Brooks shot a 68 and is third. Bernhard Langer, who already has won three Champions Tour events this year, shot a 2-under 69 and is in a five-way tie for fourth.
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