The Rory McIlroy steamroller hit Ohio on Thursday as the two-time major winner took a three-shot lead in the Memorial Tournament.
                                
Rory McIlroy
Just  days after ending his European Tour drought with victory in the BMW PGA  Championship, McIlroy carded a nine-under-par 63 to claim a comfortable  advantage over Paul Casey, Bubba Watson and Chris Kirk.
The Northern Irishman, who has been in the spotlight in the past week  after calling off his engagement with former world number one tennis  player Caroline Wozniacki, carded four birdies on the front nine and  then picked up another four shots, including a 28-foot eagle putt at the  par-five 11th, on the first four holes on the back nine.
However, his good run was halted with a double-bogey on the 14th only  for him to hit back with another eagle at the par-five 15th and a birdie  at the 16th.
"I obviously played really well from tee to green. I holed a lot of  putts as well, two really good up and downs at the last two holes,"  McIlroy said.
He added: "I'm really happy and obviously a really good opening round.  It could have been even better, apart from a double bogey on 14."
The 25-year-old has a handy lead with Casey, Watson and Kirk carding six  under pars. Casey's round included six birdies, an eagle at the seventh  and two bogeys.
"That was a joy today," Casey said. "I thought the golf course (was) in  impeccable shape. It's beautifully set up. I'm very happy with a six  under."
Masters champion Watson started on the back nine and mixed up six  birdies and an eagle at the 15th with bogeys at the 16th and 17th.
"They are generous fairways around here so I can keep the ball somewhat in play," the left-hander.
"If I hit my driver well, it's shorter irons into some of the par-fours  and the par-fives are reachable if you hit decent tee shots. And today I  played the par-threes pretty good.
"I am making a few putts here and there and birdied the last few holes.  Making those key putts coming down the stretch obviously makes a good  score."
Keegan Bradley, Michael Thompson and JB Holmes are at five under while  Justin Leonard, Hunter Mahan and Ryan Moore are another shift adrift.
World number one Adam Scott is tied for 11th at three under alongside  Jordan Spieth with the Australian's round including six birdies, a  double-bogey and a bogey.
Phil Mickelson was in with a shout during the early stages, but he  collapsed to 72 after a bogey and two double-bogeys in his final three  holes.
Reigning US Open champion Justin Rose started with a 73 while defending champion Matt Kuchar was another shot behind.
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