Man Utd unstoppable under Ole, Arnie terminates West Ham transfer talk and Son's return boosts Spurs

David Prutton is joined by Andrew Cole and Ray Parlour to discuss Manchester Utd's 3-1 win over Arsenal in the FA Cup fourth round, the speculation surrounding Marko Arnautovic's West Ham future and they look at the impact Heung-Min Son's return from the Asian Cup will have on the Tottenham side.