Brooks Koepka and Bryson DeChambeau each shot a 6-under 66 and are tied for the first-round lead at the Masters.
Koepka and DeChambeau followed a similar path Thursday, making the turn at 1-under before scorching the back nine of Augusta National. Koepka played a bogey-free round, making birdies on five out of six holes on Nos. 10, 12, 13, 14 and 15.
He had a chance to move to 7-under on 18, but his putt curved just right of the hole.
DeChambeau ended his round with six birdies on the final seven holes. His only misstep was a bogey on No. 14.
Phil Mickelson shot a 67 and is one shot behind the leaders. Ian Poulter and Dustin Johnson shot 68s to finish two shots back.
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