Watch exclusive video highlights from the 90th PGA Championship at Oakland Hills.
Now in high definition! Take a moment to see the sights at the 2008 PGA Championship at Oakland Hills CC.
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Sweden's Robert Karlsson made six birdies and three bogeys Thursday at difficult Oakland Hills. (Photo: Getty Images)
Karlsson continues torrid play in majors with stellar 68
Sweden's Robert Karlsson, the only player with top-10 finishes in each of the year's first three majors, got off to a blazing start in the fourth Thursday, firing a 68 for a share of the clubhouse lead.
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