Masters Leaderboard: Y.E. Yang, K.J. Choi Join 7-Under Club

Ricky Barnes was in the 7-under club until he shot a bogey on hole No. 8, and Alvaro Quiros has also slipped to a second-place tie, with a bogey on his opening second-round hole. Still, the 2011 Masters Tournament leaderboard is getting crowded at the top, with K.J. Choi and Y.E. Yang joining Rory McIlroy in first place at 7-under. McIlroy is schedulded to tee off at 12:42 pm ET.

Yang is through nine holes, with Choi through five. The former has shot four birdies and two bogeys on the day already, while Choi has yet to shoot over par this round.

Phil Mickelson (2-under) has just gotten started, shooting even par through four holes. Tiger Woods (1-under) is set to tee off at 1:48 pm ET.

Stewart Cink (3-over) is chasing a rocky round one with a downright miserable second, having bogeyed four of his first six holes. Bubba Watson (3-over) hasn't fared much better, shooting a double bogey on hole No. 2. Matt Kuchar (4-under) looks to be the only hope for a Peach State victory. He'll tee off today about 20 minutes before Tiger.

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