SCOTTSDALE, Ariz. -- On a day that featured a withdrawal by a star (Vijay Singh), a near-59 by Phil Mickleson and foot races by caddies on the par-3 16th, it's going to be hard for Friday to top Thursday at TPC Scottsdale.
Mickelson used his tournament-record 60 to build a four-shot advantage over five others at the Waste Management Phoenix Open, and will tee off this afternoon in search of his first win of the season.
We'll keep you updated all day long as play continues in the Arizona desert.
But, first, check out our tournament coverage to date:
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Update #1: 10:55 a.m. EST
Prior to the start of the second round, Davis Love III withdrew, citing a neck injury. Love shot a 1-over 72 in the first round, 12 shots behind Phil Mickelson.
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Round 1 coverage
• TRACKER: In a week overshadowed by Vijay Singh's admittance of taking a banned substance, Phil Mickelson took command of the headlines Thursday at TPC Scottsdale. See how it unfolded.
• OH, SO CLOSE: Phil Mickelson held his head in horror on the ninth green, his 18th of the day. His 26-foot putt birdie putt for 59 curled around the hole and stayed out. Story.
• NO EXCUSES: Vijay Singh has no one to blame but himself. Apparently he agrees. Ostensibly that is why he said Wednesday that he is “angry” for unwittingly having taken a banned substance. In turn, he left himself open to a possible PGA Tour suspension. Story.
• SINGH WITHDRAWS: Vijay Singh withdraws from the Waste Management Phoenix Open, a day after saying he used deer-antler spray. Story.
• MR. 59: Bo Van Pelt fired a course-record 59 in Wednesday's pro-am at the Waste Management Phoenix Open, but it won't go down in the record books because it was in the pro-am. Story.
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• READY TO GET ROWDY? It's almost here: "The Greatest Show on Grass." Last year a record 173,210 spectators packed TPC Scottsdale on Saturday for the Waste Management Phoenix Open. Here are 5 Things to expect this week . . . Story.
• 'SHOCKED:' Vijay Singh expressed shock and anger when it was disclosed in a Sports Illustrated article that he was taking a banned substance, according to a statement released Wednesday by Singh here at the Waste Management Phoenix Open. Story.
• WEEKLY PICKS: Half of our panel agrees that there is a man to beat this week: Nick Watney. And after a T-4 and T-13 to start the season, there is little reason to disagree. Our predictions.
• DUFNER THE FAVORITE: Jason Dufner, a 12-1 favorite with Las Vegas oddsmakers, has contended in the past two Waste Management Phoenix Opens at TPC at Scottsdale, finishing tied for eighth last year after a runner-up showing in 2011. Story.