Frustrations mount for McIlroy after he opens with a 78 (Reuters)

By Mark Lamport-Stokes DUBLIN, Ohio (Reuters) - Rory McIlroy was left shaking his head in frustration and disbelief after battling his way to an opening six-over-par 78 at the Memorial Tournament on Thursday. The Northern Irish world number two had no real explanation for his struggles on a hot, humid day at Muirfield Village Golf Club but felt his overall game was in better shape than his score reflected. "I'm pretty frustrated," McIlroy told reporters after mixing two birdies with six bogeys and a costly double at the par-three 12th where he four-putted from long range. ...