John Rollins overhauled overnight leader Camilo Villegas to take a three-shot lead over Camilo Villegas into the final round of the Buick Invitational at Torrey Pines..

The American birdied the second, fourth and sixth holes and traded two birdies and three bogeys on the back nine to card a two-under 70 and move three shots ahead of the Colombian with an overall score of 12-under-par

Villegas had started with a one-stroke lead but bogeyed number seven and double-bogeyed number nine to go out at three-over 39. Appearing to have trouble with rainy and windy conditions early in the day he finished at two-over 74.

Pádraig Harrington double-bogeyed number four and bogeyed number seven and could not make up the deficit on the back nine, carding a 74 for the second straight day and slipping to 15 shots off the pace in a tie for 48th.