If United beat Real Sociedad, they will face either French outfit Lyon or head back to Romania to play FCSB, who they met in the league phase.
The Red Devils and fellow Premier League side Tottenham were placed in a pair for the draw after finishing third and fourth respectively in the league phase.
MANCHESTER UNITED fans have slammed the Europa League draw as "rigged" after discovering their path to the final.
Today's draw revealed that United got the harder last-16 tie and will play the Spanish side - while Spurs go head-to-head with the Dutch club.
Fans have slammed the draw as "rigged" and on facing Real Sociedad instead of AZ, supporters complained "it had to be them".
