Rising American star Ryan Moore is out early on Saturday and his five-under 67 sees him vault up the leaderboard

Open runner-up Chris DiMarco also makes early noises, going out in 31 before ending eight under

Ian Poulter is never one to go unnoticed but on Saturday his golf catches the eye too, also ending eight under

After a sloppy second round, Phil Mickelson comes out of the traps with four quick birdies but bogeys the last for a 68

Tiger Woods had Mickelson's number on Friday and saves par superbly at the start of his third round to maintain momentum

While most attention is focused on Tiger and Lefty, Luke Donald continues on his merry way to take the outright lead

But Donald's fellow overnight leaders Billy Andrade and Henrik Stenson fall away anonymously

Korea's KJ Choi comes in under the radar - his 67 sets the early clubhouse target at nine under

But it is Canadian Mike Weir who makes the biggest move on "moving day" - a sensational 65 to take him to 12 under

US Open champion Geoff Ogilvy confirms his pedigree with a 68 for 11 under after beginning with a double bogey

Woods, though, climbs into the lead with three straight birdies on the back nine and ends on top at 14 under

But not to be outdone, Donald cards 66 for 14 under to book his slot with Woods in the final pair on Sunday