Mickelson goes on birdie tear, takes huge lead

Phil Mickelson birdied six of eight holes, including four consecutive, for a 9-under 62. He took a four-shot lead heading into tomorrow's final. Mickelson is the defending champion. Andres Romero is in second after shooting a 6-under 65 and Fred Couples, Rory Sabbatini, K.J. Choi and Scott McCarron are all tied for third at six shots back. McCarron still has one hole to play.