UEFA Europa League round of 16, quarter-final and semi-final draw

drawing liga europaManchester United berpeluang lolos ke perempat final La Europa setelah hasil undian babak 16 besar bertemu dengan Real Sociedad. Dalam drawing babak 16 besar LaHow did the Europa League quarter-final draw work? The draw was made to determine the order of the matches (i.e. which team will host the first leg and which team