Goals from Paul Pogba and Henrikh Mkhitaryan secured a cool win against the Dutch side Ajax.
Pogba’s goal was a deflection of the first half, while Mkhitaryan’s goal came during the second half.
United win means 5 clubs from England will qualify and play in Champions League come 2017/2018 season.
This was Jose Mourinho’s third trophy since he joined United from Chelsea.
The win also, serves as a consolation after United had performed dismally in the Premier League, where they finished 6th, Just behind the long time rivals Arsenal.