Geoff Ogilvy leads the Australian charge after the opening round of the Deutsche Bank Championship but Mike Weir stormed to the top of the leaderboard by firing a career-best 10-under-par 61. The Canadian lefthander holed 10 birdies in a bogey-free round to take a three-shot lead in this year&aposs second event of the FedEx Cup playoffs and tie the course record at TPC Boston. It was the last thing that Weir, a 10-year veteran, expected following his late collapse last week at The Barclays. “There was no indication on the putting green warming up that was going to tell me it was going to be like that,” Weir said. “It was just one of those days where I made about a 15-footer on the first hole and another on the second hole, and then I had about eight feet on the third hole, and it looked easy after the first two.” The single-round record at this 7,304-yard course previously was held by Vijay Singh, who was the early leader Friday afternoon after carding a seven-under 64. Ogilvy fired an opening four-under 67 in a solid performance but is still six shots off the pace. Nick O&aposHern and John Senden shot two-under 69s, while a large group including Adam Scott, Stuart Appleby, Jason Day, Robert Allenby and Matthew Goggin are at one-under. Weir, 38, began his round in blistering fashion, birdying his first four holes and making the turn at six-under 30 after birdying the sixth and seventh. He continued his onslaught on the back nine, where he also birdied the 10th and 13th holes. “I just built on that momentum and just kept doing the same thing, keep the pedal down, because I knew the scores were pretty low today,” Weir said. “After making those putts, everything seemed to look easier.” “I just tried to stay in that frame of mind when I got to the green, just remembering the last putt.” Weir, who still is winless on the PGA Tour this season, finished off his outstanding round in style with birdies at the par-four 15th and par-five 18th. “It&aposs been my goal the last month or so to get off to better starts in tournaments,” he said. “It seems like I&aposve been coming from behind all the way, even when I finished second at the Memorial (three months ago).” Weir was in contention at The Barclays last week before a final-round 72 landed him two shots off the pace. But courtesy of his exploits Friday, Weir is three strokes clear of a quartet of golfers. That group is headlined by Singh, last weekend&aposs winner who entered this event with a 5,125-point lead atop the FedEx Cup standings. Tied with Singh are John Merrick, Briny Baird and Heath Slocum. Five days after outlasting Sergio Garcia in a playoff at The Barclays, Singh rebounded from a slow start along the back nine to sink five birdies in a six-hole stretch starting at the par-5 second hole. “I have a great attitude on the greens,” said Singh, who recently reverted to the mid-length belly putter after struggling for a while with a regular putter. “I just listen to my head, and my head&aposs very positive. I think that&aposs the best attitude you can have, just listen to your own mind.” As well as he putted, stellar iron play was perhaps the strongest part of Singh&aposs game, with all of his birdies coming from inside seven feet. Merrick birdied four of his first seven holes and ended his round in thrilling fashion with an eagle on the 18th. Baird sank seven birdies, including three in a row from numbers 15-17, in his bogey-free round, while Slocum holed nine birdies against two bogeys. Garcia fired a four-under 67, while defending champion Phil Mickelson carded a two-under 69. First Round of The Deutsche Bank (Par 71) -10: Mike Weir 61 -7: Vijay Singh 64, John Merrick 64, Briny Baird 64, Heath Slocum 64 -6: Eric Axley 65, Ben Curtis 65 -5: John Mallinger 66, Tim Clark 66, Kevin Streelman 66, Steve Marino 66, Ernie Els 66, Jeff Overton 66, Charlie Wi 66, Jim Furyk 66, Ken Duke 66, Anthony Kim 66, Charles Howell III 66 Also: -4: Geoff Ogilvy (Australia) 67 -2: Nick O Hern (Australia) 69, John Senden (Australia) 69, -1: Adam Scott (Australia) 70, Stuart Appleby (Australia) 70, Jason Day (Australia) 70, Robert Allenby (Australia) 70, Matthew Goggin (Australia) 70 E: Rod Pampling (Australia) 71, Peter Lonard (Australia) 71 +1: Aaron Baddeley (Australia) 72, Steve Elkington (Australia) 72