Rory McIlroy revealed the two issues with his all-round game that are concerning him ahead of next week’s US Open at Oakmont.

McIlrory endured a week to forget north of the border at the Canadian Open, firing an eight-over-par second round to miss his first cut since the Open at Royal Troon last July.

In particular, the Northern Irishman struggled off the tee, failing to get to grips with a new driver after his old one was ruled non-conforming ahead of last month’s US PGA Championship.

McIlroy found just four fairways in his second round as he finished Friday’s action on nine over par and a whopping 21 shots behind halfway leader Cameron Champ.

Such a performance leaves the 36-year-old with much to figure out ahead of next week’s US Open, which will be set up with thick rough to punish

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