Mickelson sank a 40-foot birdie putt at No. 9 during a round of five-under-par 67 on Friday that moved him two clear of fellow American
“It's fun to be in contention," said Mickelson, who has only two top-10 finishes this year -- including a victory at the
"But I've been putting very well this week, and I've been driving the ball very well before I got here," the left-hander from San Diego said. "And I think if I drive the ball the way I've been before I got here, and not the way I did the first few days, I think it's going to be a fun weekend."
Watney, who played in the same group as Mickelson, had a 70 on Friday and is tied with George McNeill and Scott Gardiner for second at seven-under 137.
"I think that the greens are putting very, very good, obviously, because I've putted them well," Mickelson said. "But with them being slower, we're able to putt them aggressively. We're able to take some of the break out without fear of racing it way by [the hole]. And I've made a concerted effort to leave uphill putts, which has allowed me to putt even more aggressive and play even less break. And that's made a big difference in my putting."