Manchester United picked up a 0-0 draw at Aston Villa on Sunday afternoon but Paul Scholes has been left concerned by one factor. Erik ten Hag faced a huge week after losing 3-0 at home to Tottenham Hotspur. Defeats on the road at Porto and Aston Villa could have left Ten Hag clinging onto his job in the Old Trafford dugout. Manchester United avoided defeat in both games but two draws away from home haven’t exactly brought clarity. United threw away a 2-0 lead at Porto before a late Harry Maguire rescued a 3-3 draw. The trip to Villa Park then saw United shore up at the back but struggle going…