Michael Carrick explains controversial decision booed by Man Utd fans at Fulham

Michael Carrick had another testing day out on Sunday (Picture: Shutterstock)Michael Carrick was booed by Manchester United fans when he substituted Kobbie Mainoo at Fulham, but he says the midfielder is fully aware of why he was replaced.The Cottagers were close to picking up their first win of the season after Lisandro Martinez scored a bizarre own goal on 63 minutes at Craven Cottage.However, Matheus Cunha rescued a point for the Red Devils on 89 minutes as his deflected effort left Bernd Le