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Rory McIlroy fired his second straight round of 66 to brilliantly seize control of the Masters, leaving him one round of golf away from completing the career Grand Slam.

The Holywood star got off to a sensational start to his third round when he began the day with six straight threes on his card - the first player to ever do so in Masters history.

McIlroy sits on 12-under-par heading into the final round, just two clear of Bryson DeChambeau who signalled his intent by holing a monster putt on the final green to drag himself within two.

McIlroy made a stunning start to the third round of the 89th Masters. He began the day two shots behind Ryder Cup team-mate Justin Rose, but holed from 10 feet for birdie on the first and then chipped in from over the second green for an eagle.

That vaulted McIlroy to the top of the leaderboard on nine under par, a shot ahead of Rose and US Open champion Bryson DeChambeau, who had holed from 45 feet for birdie on the first.

McIlroy also birdied the third to briefly open up a two-shot lead, only for DeChambeau to quickly close the gap.

DeChambeau, who edged out McIlroy in thrilling fashion at Pinehurst last year, found the green in two on the par-five second and did well to two-putt from 70 feet.

A birdie on the difficult fifth meant McIlroy had covered the first five holes in five under par and he enjoyed a four-shot lead when DeChambeau dropped shots on third and seventh.

However, McIlroy then bogeyed the eighth after finding sand off the tee and missed from four feet for birdie on the ninth, allowing DeChambeau to close the gap to two thanks to a birdie on the eighth.

The gap was down to one when McIlroy three-putted the 10th, with playing partner Corey Conners making his third straight birdie at