The games will be played on March 11 and March 18.
Manchester United have been officially drawn against Serie A giants AC Milan in the Europa League Round of 16.
The Red Devils beat Real Sociedad 4-0 on aggregate to continue their quest for Ole Gunnar Solskjaer’s first trophy at Old Trafford.
The first leg of the Round of 16 tie will be played at Old Trafford on March 11 while the return game at San Siro will take place on March 18.
Europa League Round of 16 draw in full:
Manchester United vs AC Milan
Olympiacos vs Arsenal
Dinamo Zagreb vs Tottenham
Slavia Prague vs Rangers
Ajax vs Young Boys
AS Roma vs Shakhtar Donetsk
Dynamo Kyiv vs Villarreal
Granada vs Molde