Winning Europa League will provide an opportunity to compete in the next season's Champions League for Jose Mourinho's side, who are struggling to make it to the Premier League top four.
UEFA Europa League updates
First Europa League final for Manchester United
Since the Europa League began in 1971, this is the first time Manchester United will be playing in the final of Europa League, the second tier European football competition. They won the Champions League on three occasions.
Man Utd vs Celta Vigo
How did the match progress?
Manchester United began the home leg with a 1-0 lead from first leg.
While a 17th minute Marouane Fellaini header put United 2-0 ahead on aggregate, Celta Vigo equalized through Facundo Roncaglia in the 85'.
Late drama ensued after Facundo and United's Eric Bailly were sent off, reducing both the sides to 10 men, and the Red Devils just about survived the Spanish scare.
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12 May 2017
Ajax make it to final despite a defeat at Lyon
Ajax secured a place in the Europa League Semis despite a 3-1 loss to Lyon, having won 4-1 in the first leg at home (5-4 on aggregate).
The lone goal for the inexperienced yet exciting Dutch side was scored by teenager Kasper Dolberg.
Even though they ended on losing side, Lyon put on a strong fight with Alexandre Lacazette's brace and Rachid Ghezzal's header.
When is the final?
Ajax meets Manchester United in the Europa League final on 24 May, at the Friends Arena in Stockholm, Sweden.
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