Marco Dawson shot a 4-under 68 on Sunday on PGA West's TPC Stadium Course to take a three-stroke lead into the final round of the PGA Tour Qualifying Tournament.
The 48-year-old Dawson had a 17-under 343 total. He made three PGA Tour starts this year and also played in 21 Nationwide Tour events.
The top 25 in the six-round event will earn PGA Tour cards.
Nationwide Tour player Stephen Gangluff was second after a 67 on the Stadium course.
Former Georgia star Harris English, a Nationwide Tour winner this year while still in school, was 13 under along with Brendon Todd. English shot a 70, and Todd had a 68. They played the Stadium course.
David Duval was tied for 63rd after a 68 on the Nicklaus Tournament Course.