Phil Mickelson moves into a one-shot lead at four under as the players complete their third rounds on Sunday

Fred Couples goes round for 72 and joins overnight leader Campbell one shot behind Mickelson

Couples, 46, moves up to share the lead with Mickelson as the final pair start the fourth round

Miguel Angel Jimenez and Rocco Mediate briefly join the leaders, with a host of contenders bunched just behind them

Woods narrowly misses out on a birdie on the fourth but remains just within sight of the leaders at two under

Jose Maria Olazabal turns up the heat on the leaders with a round of 66 that sees the Spaniard home for four under

And Vijay Singh picks up two shots to join Couples at four under, two shots behind the leader Mickelson

Mickelson maintains his two-shot lead at six under as he begins to negotiate the back nine

Rocco Mediate sees his Masters campaign crumble as he runs up a 10 via the water on the 12th hole

Retief Goosen slots in a six-foot birdie on the 16th before finishing on four-under

Mickelson is oozing with confidence as he reaches seven under with birdie at the 13th

Woods hangs his head after missing an eagle putt on the 15th green on a day of squandered chances

Northern Ireland's Darren Clarke signs off with 77 for three over - one behind England's David Howell

Mickelson celebrates with his caddy after holing out on the 18th to seal a memorable win

Last year's champion Woods helps Mickelson don his second green jacket in three years