Barcelona and Manchester United will face each other in the Europa League knockout round play-offs following Monday's draw.
Barca were eliminated from the Champions League group stage to drop into the Europa League for the second season running, while United came second in their Europa League group.
Draw in full
Barcelona (ESP) v Manchester United (ENG)
Juventus (ITA) v Nantes (FRA)
Sporting (POR) v Midtjylland (DEN)
Shakhtar Donetsk (UKR) v Rennes (FRA)
Ajax (NED) v Union Berlin (GER)
Bayer Leverkusen (GER) v Monaco (FRA)
Sevilla (ESP) v PSV Eindhoven (NED)
Red Bull Salzburg (AUT) v Roma (ITA)
- First legs to be played February 16, second legs on February 23