Round 1 at Greenbrier Classic

1 of 5 Steve Helber/AP
couldn't get this eagle chip on No. 17 to drop, but he started his event with a 7-under 63 on Thursday.
2 of 5 Steve Helber/AP
rang up seven birdies while shooting a six-under 64.
3 of 5 Steve Helber/AP
Overton's lone bogey of the day came at the 18th hole.
4 of 5 Steve Helber/AP
had a chat with West Virginia State Amateur record holder Bill Campbell on Thursday.
5 of 5 Steve Helber/AP
failed to ace the par-3 18th, where fans will receive $100 if a pro makes a hole-in-one this week.