2010 Greenbrier Classic: Round 2

1 of 5 Scott Halleran/Getty Images
fired an 8-under 62 Friday to grab a four-shot lead.
2 of 5 Chris Condon/PGA TOUR/Getty Images
is alone in second after a bogey-free 63.
3 of 5 Scott Halleran/Getty Images
made three birdies and a bogey for a 68.
4 of 5 Chris Condon/PGA TOUR/Getty Images
moved into contention with a 4-under 66.
5 of 5 Scott Halleran/Getty Images
made four birdies, an eagle and a bogey to finish at 7-under par.