South Korea's Noh Seung-Yul has taken the lead after round one of the Deutsche Bank Championship.
Noh produced a faultless round of 62, which included nine birdies, to lead by a shot from American Chris Kirk.
Tiger Woods shot himself into early contention with a first-round 64, where he was joined by American compatriots Jeff Overton and Ryan Moore.
World number one Rory Mcllroy led the British challenge after he hit seven birdies on the way to recording a round of 65.
