Jon Rahm’s US Open preparations disrupted by positive Covid-19 test

Jon Rahm held a six-shot lead before being forced to withdraw from the Memorial Tournament (Darron Cummings/AP)

Jon Rahm’s US Open preparations have been thrown into disarray after he was forced to withdraw from the Memorial Tournament after testing positive for Covid-19.

The defending champion had fired a sensational third round of 64 on Saturday to establish a six-shot lead before being informed beside the 18th green at Muirfield Village that he had returned a positive test.