Long-hitting Bubba Watson played a shot on the seventh hole. He could manage only an even-par 71.

Jason Dufner, recent winner of the PGA Championship, teed off on the fourth hole. He shot a 5-under 66.

Tiger Woods, who posted a 3-under 68, hit out of the rough on No. 4.

Masters champion Adam Scott escaped from a bunker on the 14th hole. He would shoot a 73.

Tiger Woods held his follow-through high as he hit out of the rough on No. 13.

First-round coleader Phil Mickelson took a healthy cut on his tee shot at No. 2.

Tiger Woods looked askance after missing a birdie putt on 14.

Brian Davis of Britain thanked the gallery for its support as he walked off with a round of 63, tied for the lead.

Sporting stylish purple pants, Hunter Mahan lined up a putt on the third green. He shot a stylish 65.

After a wayward tee shot on No. 9 (his final hole), Phil Mickelson had to poke a shot out the woods. He made bogey to finish at 63.

This putt on No. 9 had Tiger Woods back on his heels.

Phil Mickelson hit from the fairway on No. 5, which he would par.

After bogeying the first hole, defending champion Rory McIlroy tossed his ball into the woods.

Zach Johnson, who shot 69, rolled a putt on the sixth green.

Ernie Els, a four-time major champion, showed his elegant form on this approach to the ninth hole.

Bob Estes had a tough lie on his second shot at 14, but managed to get it out.

Spanish star Sergio Garcia, on the way to a sparkling 65, got into the swing of things with his tee ball on 14.

US Open champion Justin Rose acknowledged the applause after sinking a putt on the eighth green.

Englishman Lee Westwood, owner of a first-round 66, chipped onto the 13th green.

Driver in hand, Graeme McDowell of Northern Ireland surveyed the scene from the 14th tee.

Rory McIlroy chipped from the rough onto the ninth green.

Roberto Castro used a little body English on the ninth fairway.

Stewart Cink and his caddie conferred on the 14th tee; Cink was pointed toward a round of 66.

Ian Poulter of England contemplated a putt on the eighth green.

It was indeed a fist-pumping day for Phil Mickelson, who shares the lead heading into the second round.