Manchester United in a friendly today.Stoke players turned up at Carrington for a match ahead of the return of football though departed en masse shortly when the fixture was cancelled.Daily Star Sport understands that Stoke players, as well United stars, began arriving between 10am-11.30am although O'Neill was not spotted by photographers.At around 12.10pm, the entire Stoke squad left en masse with United confirming that the Potters had been the one to cancel the match.O’Neill’s positive test comes despite the former Northern Ireland boss having tested negative in the previous five rounds of testing.A statement from the Championship club read: “Stoke City can confirm that manager Michael O'Neill has tested positive for the Covid-19 virus.