With their Premier League campaign stuttering, Manchester United need to beat Celta Vigo in the Europa League to keep on track for Champions League football next season.
The Spaniards - who have slipped to 11th in La Liga since drawing United - will host the Europa League semi-final first leg on Thursday night before the return fixture at Old Trafford seven days later.
Here, Sportsmail has a look at United's opponents ahead of Celta's first ever tie in the last-four of European competition.
Let's start simple - where is Vigo?