Phil Mickelson hits out of a bunker on the 15th hole during the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga. (AP Photo/Charlie Riedel)

Padraig Harrington, of Ireland, hits a drive on the 17th hole during the first round of the PGA Championship golf tournament Thursday, Aug. 11, 2011, at the Atlanta Athletic Club in Johns Creek, Ga. (AP Photo/Charlie Riedel)

Scott Verplank hits out of a bunker during the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga. (AP Photo/Matt Slocum)

FILE - In this Aug. 11, 2011, file photo, Larry Nelson watches his shot after teeing off on the 10th hole during the first round of the PGA Championship golf tournament at the Atlanta Athletic Club in Johns Creek, Ga. Nelson, a three-time major champion with a 9-3-1 record in three Ryder Cup appearances, said Wednesday on Golf Channel's "Morning Drive" show that no one from the PGA of American contacted him about being the captain. (AP Photo/Matt Slocum, File)

Keegan Bradley hits a drive on the ninth hole during the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga. (AP Photo/Charlie Krupa)

FILE - In this Aug. 14, 2011 file photo, Keegan Bradley celebrates on the 18th green after winning a three-hole playoff against Jason Dufner at the PGA Championship golf tournament in Johns Creek, Ga. Bradley and Tim Clark are the faces in this emerging showdown over the anchored stroke used for long putters. (AP Photo/Matt Slocum, File)