The draw is due to take place at around 12 p.m. GMT, 8 a.m. ET on Friday, March 17.
Schalke head coach Markus Weinzierl has urged his side to attack in their second leg against Borussia Monchengladbach.
FC Rostov head coach Ivan Daniliants says his side will be looking to 'make history' when they visit Old Trafford.
Roma manager Luciano Spalletti says his side have a 60% chance of qualification in the Europa League against Lyon.
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.