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Input: Mahan matched the 18-hole course record of eight-under 62 set in Thursday's opening round by fellow American Anthony Kim to seize the clubhouse lead on 268 with Tiger still on the prowl and stalking Hunter across the back nine.
 "I don't know what golf course he was playing. I didn't see a 62 out there " Woods said. "He put so much pressure on us. We had to play really well. There was a lot of heat back there."
 Woods still shared the lead entering the par-5 16th  where he sent his tee shot into the left rough  put his approach into the right greenside rough and left his chip 20 feet short of the cup.
 Mahan made three birdies on the front nine and had runs of three birdies in four holes to begin and end the back nine  taking his lone bogey at 14 and dropped a 15-foot birdie putt on the 18th to keep the pressure on Woods.
 Woods was on his nemesis hole  the par-4 11th. He found weeds and a ditch off the tee and sank a clutch five-foot putt to salvage a bogey  falling into a tie for the lead with Mahan where he stayed until the critical birdie at 16.
 The week's five-over par showing by Woods at the 489-yard 11th matched the worst hole for Woods in any non-major tournament in his career  a dubious mark set at Kapalua's first hole in the 2002 Mercedes Championship.
 Mahan  whose only US PGA title came at the 2007 Travelers Championship  shared fourth at last week's Travelers and sixth two weeks ago at the US Open.
 "I rolled in some putts " Mahan said. "The first three days were a little ugly. I swung great all week but today the putting was great. I'm just really proud of the way I finished."

Golf: Tiger pounces past Hunter to capture PGA National title