First Round of the Barclays

1 of 7 Mel Evans/AP
First Round of the Barclays Hunter Mahan grabbed the early lead with a nine-under 62.
2 of 7 Mike Ehrmann/SI
Phil Mickelson made four birdies and three bogeys for a 70.
3 of 7 Mike Ehrmann/SI
"My one-under par round is not as good as I thought it would be, but I thought I played well and I'll take it," Mickelson said.
4 of 7 Mike Ehrmann/SI
Padraig Harrington made two birdies, a bogey and a double bogey for a 72.
5 of 7 Chris Condon/PGA TOUR/Getty Images
Adam Scott shot an opening-round 68. He is six strokes off the lead.
6 of 7 Mike Ehrmann/SI
Kenny Perry shot a two-under 69.
7 of 7 Sam Greenwood/Getty Images
Paul Casey is alone in second at five under par.