GALLERY: FRIDAY AT THE PGA CHAMPIONSHIP

Tiger Woods walks off the 10th tee during Friday's second round of the 95th PGA Championship. Woods finished with an even par 70 to keep him at plus 1, eight strokes behind leader Jason Dufner's minus 9.  Allan Henry, USA TODAY Sports

Jason Dufner watches another successful putt, this one on the 17th green.  Allan Henry, USA TODAY Sports

Rickie Fowler prepares to tee off on No. 14.  Allan Henry, USA TODAY Sports

Matt Kuchar, who was tied with Adam Scott for second at minus 7, tees off on No. 16.  Allan Henry, USA TODAY Sports

K.J. Choi tips his cap as he walks to the green on the 18th hole.  Mark Konezny, USA TODAY Sports