The decision to not go looking for an away goal against a side that has lost heavily to the likes of Spartak Moscow, Eibar and Real Betis this season will come back to haunt Mourinho if United fail to progress.
He may have downplayed the importance of United's win over Liverpool as compared to their upcoming fixtures but it certainly augurs well for them that they beat one of their biggest traditional rivals at Old Trafford just before a crucial Champions League clash. The biggest games at this time of the season.
Carrick with Ashley Young Wayne Rooney and the Europa League trophy last May Credit Getty images
The Frenchman had sustained an injury during warm-up before the match but United thrived without him.
Paul Pogba sat out the Liverpool win and only re-joined training for the second half of his team-mates' session on Monday, although Anthony Martial is fit to return. McTominay and Matic plugged the gaps and, along with Ashley Young hounding Mohamed Salah, blunted Liverpool's lethal forward line. The Chilean cut a forlorn figure in Estadio Ramon Sanchez Pizjuan and was subbed off for Marcus Rashford in the 75th minute.
Exhausted of reading? Click through the mini-gallery above to see the players who have been heavily linked with United of late. Will they pull the upset, or will United hold on? It's been a few hard weeks for Pogba at Old Trafford. Consecutive Premier League wins against Crystal Palace, Chelsea and Liverpool have The Red Devils in second place of the standings, but now the team needs to switch the focus to the UEFA Champions League. The Ukrainian club have a 2-1 lead from the first leg.
According to the Daily Mirror, the Portuguese manager wants to bring a central defender, a left back and a holding midfielder in the next window.