Tiger Woods lead the USPGA by two shots going into the third round - he has not lost a major when leading after 36 holes

Floridian Boo Weekley made the first big move with a 65 - marred by a bogey on 18 - to set the mark at level par

Sergio Garcia carded 75 to slide to nine over but was disqualified after signing an incorrect scorecard

Colin Montgomerie watched another major pass him by as he laboured to a 73 for eight over

Scott Verplank was the sacrificial lamb in the final group with Woods - and dropped back after a double on 12th

World number three Phil Mickelson's woes continued as he slumped to a 75 for seven over

John Daly slipped back into the pack with a 73 which included four bogeys in the last seven holes

Geoff Ogilvy briefly challenged Woods on Friday but fell away on Saturday with a 74 for one over

South African Ernie Els was back on the major trail and carded a 69 for one under par

American Woody Austin mounted half of the main challenge to Woods, ending on three under

But it was Stephen Ames who got closest to Woods, with a final-hole birdie helping him to four under

Tiger Woods played within himself to card a 69 and take a three-shot lead into the final day