Manchester United were handed a tricky Europa League last 16 tie against Real Sociedad while Tottenham Hotspur will play Dutch side AZ Alkmaar after the draw was held on Friday, but both managers are more concerned about their Premier League form.

Winning the Europa League has become somewhat of a necessity for Manchester United this year as they seek to salvage what has been a bitterly disappointing campaign.Any hopes of finishing in the Premier League's top four were extinguished months ago but United do still have a route to next season's Champions League,

Which teams are the biggest threats to Tottenham and Man Utd? - Spurs and United will learn their last-16 opponents on Friday, and both sides have a rough idea of their potential routes to the final