USPGA third round photos

1 of 9 Surprise overnight leader Shaun Micheel drops four shots but picks up five birdies in a round of 69 that leaves him on four under

2 of 9 A superb round of 65 from American Chad Campbell takes him joint top of the leaderboard at four under

3 of 9 Wayward driving from Masters champion Mike Weir means the Canadian can only manage 70 to stay on one under in third place

4 of 9 Instead of his customary third-round charge Tiger Woods cards a 73 to slip out of contention

5 of 9 Phil Mickelson's quest for that elusive major looks likely to continue - the American's 72 puts him on two over

6 of 9 Early starter Padraig Harrington shoots a battling third round one-under 69 to improve to seven over par for the tournament

7 of 9 Englishman Gary Evans shoots a round of 71 to move to nine over for the tournament

8 of 9 Ian Poulter cards a birdie at the 12th on the way to a round of 72 that takes him to nine over for the tournament

9 of 9 Britain's Luke Donald puts together a round of 71 that leaves him on six over