Jason Dufner and Jim Furyk parred the first three holes on the back nine Sunday as Dufner kept his 2-shot lead at the 95th PGA Championship.
Dufner had less than 15 feet for birdie on the 10th, 11th and 12th, but failed to convert any of the three chances. He remained at 11-under par with six holes to play in the season's final major.
Furyk had lengthy birdies attempts at 10 and 11 that failed to find the cup. At the 12th, his 8-footer for birdie slid by the left edge as he remained two back with six holes left.
Henrik Stenson 2-putted for birdie at the par-5 13th to join Furyk in second at minus-9.
Masters winner Adam Scott and Jonas Blixt share fourth at minus-6.
Scott Piercy owns the clubhouse lead at minus-5 after he closed with a 5-under 65. That 65 included two bogeys in the last four holes.
Four-time champion Tiger Woods went out in 3-over 38 with a bogey at eight and a double-bogey at nine. Around the turn, he birdied three of four holes from the 12th to get back to even-par for his round. Woods parred the last three holes to finish at 4-over 284.
Miguel Angel Jimenez poured in five straight birdies from the 12th to the 16th en route to a 3-under 67. That was the second time this week that Jimenez birdied five in a row, as he also did it in the first round from the second to the sixth. The Spaniard ended at 2-over 282.
Tim Clark, who finished third at the 2003 PGA at Oak Hill, recorded the first hole-in-one of the week. He aced the par-3 11th, but still struggled to a 75, which left him at plus-10.
British Open champ and Phil Mickelson mixed four birdies, a triple bogey, a double bogey and a bogey in a round of 2-over 72. The 2007 PGA winner ended the tournament at 12-over 292.