Antonia Valencia has apologised for Manchester United 's defeat by Manchester United news . Valencia was at fault for both goals , including Danny Welbeck 's winner . Roy Keane called the midfielder-cum-defender 'disgraceful ' in his analysis . Rafael put pressure on Valencia 's position with a goal for United Under 21s . CLICK HERE for all the latest Arsenal .
Antonia Valencia has apologised for Manchester United 's defeat by Arsenal . Valencia was at fault for both goals , including Danny Welbeck 's winner . Roy Keane called the midfielder-cum-defender 'disgraceful ' in his analysis . Rafael put pressure on Valencia 's position with a goal for United Under 21s . CLICK HERE for all the latest Manchester United news .