Rory McIlroy shrugged off a disappointing start to his second round at the US Open to remain in the hunt for a fifth Major triumph.
The Northern Irishman, whose last Major success came in 2014, when he won both The Open and PGA Championship, heads into the weekend at Brookline one shot back off Collin Morikawa, who is the joint-clubhouse leader on five-under-par after hitting a superb four-under 66 on Friday.
