First Round of the AT&T National

1 of 6 Jonathan Ernst/Reuters
First Round of the AT&T National Steve Marino shot a bogey-free 65 for a one-stroke lead.
2 of 6 Stan Badz/PGA TOUR/Getty Images
Defending champion K.J. Choi just missed a birdie putt on the 10th green. He is three strokes off the lead.
3 of 6 Jonathan Ernst/Reuters
Rod Pampling, who had three-straight birdies on the back nine, is at four under par.
4 of 6 Hunter Martin/Getty Images
Three birdies and three bogeys left Jim Furyk at even par.
5 of 6 Jonathan Ernst/Reuters
Stuart Appleby shot a bogey-free 67.
6 of 6 Rob Carr/AP
Fredrik Jacobson had three-straight birdies on the front nine to finish at three under par.