By James Cormack Tottenham produced an outstanding performance to down Manchester United 3-0 at Old Trafford on Sunday afternoon, and questions will once again re-emerge over Erik ten Hag’s future. The visitors were dealt a blow ahead of kick-off as it was revealed that captain Son Heung-min hadn’t made the trip to Manchester with a hamstring injury sustained on Thursday, meaning Timo Werner was included in Ange Postecoglou’s starting XI. Manuel Ugarte made his first Premier League start for Erik ten Hag’s Red Devils. There was a sense pre-match that goals may well be on the menu at the Theatr…