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American Jimmy Walker finished round two of the Wyndham Championship with one of the best two-day scores the event has seen, earning him first place on the leaderboard.
Sweden's Carl Pettersson fired an eight-under 62 in the opening round of the Wyndham Championship on Thursday to take a one-shot lead.
The second round of the 2012 PGA Championship in South Carolina has seen Tiger Woods and Vijay Singh both charge up the leaderboard to join Carl Pettersson in a three-way tie for first place, all finishing with a 4-under 140 total.
Sweden's Carl Petterson has taken an early lead, finishing with a 6-under 66 at the end of the first round of the 2012 PGA Championship in South Carolina.