Obi, 17, has made three senior appearances in the last few weeks for United having joined from Arsenal in October.

Chido Obi ineligible for Manchester United in Europa League after triple squad change - Prolific teenage striker unable to play in competition in huge blow to Ruben Amorim

The three British sides have learned their last-16 opponents, as well as who they may face in the quarter-finals and semi-finals

The top eight teams from the league phase qualified automatically for the round of 16 and are joined by the eight playoff winners.

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.

Man United head coach Ruben Amorim will be unable to call upon Chido Obi against Real Sociedad and possibly beyond.

Striker Chido Obi will miss Manchester United's game against Real Sociedad because he's ineligible to play in the Europa League.

Manchester United will not be able to select Chido Obi in their Europa League campaign for the remainder of the season after he was not included in their revised squad list for the competition. United travel to face Real Sociedad in the first leg of their last 16 tie later this week.