Mickelson holding off Garrigus

5:15 p.m. update: Another birdie at the 15th has given Phil Mickelson a one-shot lead over Robert Garrigus at the Wells Fargo Championship.

Mickelson is 5-under for the day and 9-under for the championship, a stroke better than Garrigus, who has birdied the 10th and 11th holes and is 3-under for the day.

Scott Gardiner and Nick Watney are two strokes back at 7-under and tied for third, while a large group, led by Rory McIlroy is at 6-under.

Another player to look out for is Sergio Garcia, who is also 5-under today and is now tied for 10th, four strokes behind Mickelson at 5-under for the tournament.