Football finance expert, Professor Rob Wilson, takes a look at the effects of progress in the Europa League and lays out the situation for Manchester United and Tottenham Hotspur ahead of their last-16 ties.

Manchester United manager, Ruben Amorim, could be without up to 11 players for their huge Europa League clash trip to Real Sociedad on Thursday night.

Manchester United chose to add January signings Patrick Dorgu and Ayden Heaven to their updated Europa League squad, along with a highly-rated academy product. It emerged this week that teenage forward Chido Obi will not feature for the remainder of United's Europa League campaign, which restarts on Thursday night against Real Sociedad.