Adam Scott stormed up the leader board and after a birdie at 16 he held a two shot lead.

Jones had a three shot lead going into the final 18 holes.

Then came the wild 72nd hole, with Hamilton holding a one shot lead.

Phil Mickelson opened up a three shot lead after shooting a five under 65, the low round of the day.

Rather than take a penalty drop he elected to play the ball and kept his 4 shot lead.

Even if a guy has a five shot lead, it's going to be difficult to make pars.

Koch had a two shot lead with just the final hole to play.

After 3 rounds of 69, 67 and 65 he held a 3 shot lead.

This gave him a five shot lead over Bob Kirk.

Dufner birdied both 12 and 13 to take a two shot lead at -11.