The draw is due to take place at around 12 p.m. GMT, 8 a.m. ET on Friday, March 17.
FC Rostov centre-back Miha Mevlja is unfazed about his team's chances against Manchester United in Thursday's Europa League clash.
Fellaini, 29, spoke about his team's two chances -- via a top-four finish in the Premier League or by winning the Europa League.
Edin Dzeko, who is four goals away from the club season record, is looking to deliver Roma into the quarterfinals of the Europa League on Thursday.
Jose Mourinho has praised how his side have dealt with a difficult week ahead of their second leg versus Rostov.