By Kathryn Batte For MailonlinePublished: 19:27 EDT, 5 June 2021 | Updated: 19:53 EDT, 5 June 2021A heartbroken Jon Rahm was forced to withdraw from the Memorial Tournament after being told he had tested positive for Covid-19, moments after he had established a six-shot advantage at the top of the leaderboard. The defending champion had been undergoing daily tests after being told on Monday that he had come into close contact with someone who had tested positive. Each of his previous tests had come back negative but he will now have to isolate until June 15. 'The PGA TOUR's medical adviser requested a confirmatory test on the original sample, which came back at 6.05pm, and was also positive. 'Rahm is now in isolation, and in accordance with CDC guidelines, he will need to remain in isolation through Tuesday, June 15.'
