Manchester United earned a point in an entertaining game with Liverpool at the weekend, and were left feeling upset not to get all three. A late lunge from Aaron Wan-Bissaka saw Liverpool awarded a late spot-kick at Old Trafford. It was a decision which looked a clear penalty on first glance, and becomes even more suspect with each and every rewatch on a slow-motion replay. Sky Sports referee expert Dermot Gallagher backed the decision, insisting Harvey Elliott did not dive. There was one decision where Manchester United may have got lucky, at least, according to MUTV pundit Ben Thornley. Case…