1 of 9
Some magnificent golf from America's Chris Di Marco propels him into a share of the lead at six-under-par

2 of 9
Phil Mickelson joins Di Marco at the head of the field as his short game earns him birdies in a bogey-free round

3 of 9
Overnight leader Justin Rose endures a nightmare round dropping nine shots by the 15th hole

4 of 9
Paul Casey takes over the English charge and shoots a brilliant 68 to finish on four under

5 of 9
World number one Tiger Woods rues another missed putt as a disappointing round sees him drop out of contention

6 of 9
German veteran Bernhard Langer studies a putt intently as he quietly makes progress just behind the leaders

7 of 9
South Africa's Ernie Els lurks dangerously on the leaderboard as a solid round puts him amongst the frontrunners

8 of 9
Ireland's Padraig Harrington plays superbly to put himself in contention with a round of 68

9 of 9
Harrington's playing partner Vijay Singh is in equally good form and fires a 69 to finish round three on one-over-par