Louis Oosthuizen is the leader after three rounds of the 2012 Deutsche Bank Championship, holding a three-stroke advantage over second-place Rory McIlroy.
Oosthuizen played a magnificent round of golf on Sunday, shooting an 8-under 63, which tied him with Keegan Bradley for the best score of the day. Oosthuizen, a South Africa native, is at 19-under for the tournament after the solid effort, and hasn't shot worse than a 66 in any of the first three rounds.
McIlroy entered Sunday as the leader, but Oosthuizen's surge allowed him to leapfrog the Irish star, who finished at 4-under on Sunday and sits at 16-under overall. Dustin Johnson is in a tie for third place with Tiger Woods heading into the final day of the tournament, as Johnson finished Day 3 at 6-under, improving his overall score to 13-under. Woods shot a 68 for the second consecutive day after his opening-round 64. Bryce Molder and Ryan Moore round out the top five, as both Americans sit at 11-under for the tournament.
Texas native and UT product Bob Estes started the day at 2-under, but struggled to a 73 on Sunday, which leaves him at even-par overall heading into the final round. Meanwhile, the Houston-born Roberto Castro had his best round of the tournament so far, as he shot a 2-under 69 on Day 3 to get back to even-par for the tourney.
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