Second Round of the Mercedes-Benz Championship

1 of 9 Stan Badz/PGA TOUR/WireImage.com
Round 2 of the Mercedes-Benz Championship Mike Weir made a birdie on 18 to grab a one-shot lead at Kapalua.
2 of 9 Jeff Gross/Getty Images
Stephen Ames won the final event of 2007, and he is continuing his good play in '08. Ames trails Weir by one after a 67.
3 of 9 Eric Risberg/AP
Vijay Singh needs a big weekend to defend his title at the Mercedes. Singh sits six shots back of the leader.
4 of 9 Eric Risberg/AP
Rory Sabbatini flipped his putter in disgust after missing a putt. Sabbatini made only two birdies and shot a one-over 74.
5 of 9 Eric Risberg/AP
Mark Calcavecchia shot a seven-under 66, the lowest round of the tournament so far.
6 of 9 Eric Risberg/AP
Jonathan Byrd birdied three of his final four holes to finish one off the lead.
7 of 9 Eric Risberg/AP
U.S. Open champion Angel Cabrera had a wild round with six birdies, two bogeys, and a double bogey. But he's only three shots behind.
8 of 9 Eric Risberg/AP
Kapalua resident Jim Furyk finished at two under.
9 of 9 Eric Risberg/AP
Brandt Snedeker struggled on the back nine, but he knows what he needs to do tomorrow. "Make a bunch of birdies," he said. "Scores are obviously getting lower and lower each day, so we want to get out there and make as many as we can and try and make up all the ones I missed today."