It has robbed the 35-year-old Swede of a possible United swansong and the chance to write the flawless script in his homeland when United face his old club Ajax in Stockholm, though Mourinho has revealed Ibrahimovic will travel to Sweden to be at Wednesday's game anyway.
I am here already seven years and I never saw any detail of trying to care about the English teams involved in European competitions.
Mourinho said: "Everybody goes on Wednesday".
"The only positive [on Sunday] is to save my players, to give them better conditions for Wednesday". The boss has indicated that he will play and if he gets through the game then he will be considered for the Europa League final.
"I would prefer to give them debuts like I gave to Axel against Reading, to Joel against Wigan - or a big match, but for one player". The good thing is the club knows, the board knows, I know and we are together on this process.
"If, in the next transfer window, we manage to be successful, I think we can [challenge for the title]".More news: France welcomes SDF advance against ISIS in Syria's Raqqa
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Mourinho, who last week branded United's remaining league games as a nuisance, also confirmed Chris Smalling and Marouane Fellaini will miss Sunday's clash at Old Trafford, leaving him no choice but to field up to 10 of Nicky Butt's youth players. I don't like to speak about colleagues.
Angel Gomes is only 16 but, at United's end-of-year awards ceremony on Thursday night, he was rewarded for his excellent campaign with the U18 side and crowned as the Jimmy Murphy Youth Player of the Year. Again his feelings are not bad but let's wait.
"If you don't quality [for the Champions League] I think they should go home".
"He had little matches where the performances were not so good, but normally the performance is related to the team, so when the team was very good, he was very good".
Meanwhile Mourinho hinted at his news conference on Friday that star striker Zlatan Ibrahimovic will be in his come country on Wednesday for the Europa League final, despite a knee injury that ended his season.
Asked whether he would do the same in United's position, Allardyce said: "No doubt about that".