Manchester United's winger Facundo Pellistri has tested positive for COVID-19, ruling him out of making his senior debut against Watford on Saturday. The 19-year-old, who signed in the summer transfer window, has not been displaying symptoms but returned a positive test, his agency confirmed. He must now follow the Government guidelines and isolate for 10 days. READ ALSO: F1 world champion Lewis Hamilton, tests positive to COVID-19 “I think we’ve done well to follow the protocols as we have, we’ve had the odd case and Facundo Pellistri got a positive, so he...