Brooks Koepka got his defence of the PGA Championship off to a superb start on Thursday as he shot a seven-under 63 at Bethpage Black in Long Island, New York.
Koepka, who won the most recent of his three majors at the PGA Championship last year, carded a flawless round to open his tournament.
Meanwhile, Tiger Woods shot two over for his opening round.
Here's a look at the leaderboard:
1. Brooks Koepka -7
2. Danny Lee -4
T3. Tommy Fleetwood -3
T3. Gary Woodland -3
T5. Mike Lorenzo-Vera -2
T5.