Rory McIlroy equalled the lowest opening round of his European Tour career to lead the way after day one of the WGC-Mexico Championship.

The Northern Irishman fired an eagle and seven birdies at Chapultepec Golf Club en route to his fifth first round of 63 and his lowest starting round on the European Tour since 2014.

That left him at eight under, one shot clear of 2015 and 2017 champion Dustin Johnson and three ahead of two more Americans in Matt Kuchar and Justin...
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