Round 2 at 2011 Wells Fargo Championship at Quail Hollow

1 of 9 Carlos M. Saavedra/SI
Pat Perez birdied five of the last six holes to grab a two-shot lead.
2 of 9 Darren Carroll/SI
Phil Mickelson is only three shots off the lead after a 6-under 66.
3 of 9 Scott Halleran/Getty Images
Bill Haas made three birdies and one bogey to stay in the hunt at Quail Hollow.
4 of 9 Carlos M. Saavedra/SI
Lucas Glover bogeyed two of the last three holes, but he still shot a 4-under 68.
5 of 9 Carlos M. Saavedra/SI
Stewart Cink shot a bogey-free 65 to move into a tie for sixth.
6 of 9 Darren Carroll/SI
Vijay Singh fired his second 68 of the week.
7 of 9 Darren Carroll/SI
Nick Watney missed the cut after rounds of 76-75.
8 of 9 Darren Carroll/SI
Dustin Johnson also won't be around for the weekend. He made a quadruple bogey on the par-4 18th, his ninth hole of the day, and he finished with a 79.
9 of 9 Carlos M. Saavedra/SI
Bubba Watson made six birdies and two bogeys.