
With the first leg ending 1-1, Henrikh Mkhitaryan put United ahead at the Old Trafford, just before Sofiane Hanni equalised with a close-range finish.
Though the Red Devils missed several chances in both halves, Marcus Rashford’s extra time goal sent the English side into the Last Four as they advance 3-2 on aggregate.
Elsewhere, Besiktas beat Lyon 2 – 1, Schalke 04 thrashed Ajax 3 – 2, while the match between Genk and Celta Vigo ended 1- 1.