Man United travelled to Moscow lacking a number of key players, with Paul Pogba continuing to nurse a hamstring problem, Jones and Fellaini suffering from ankle trouble, while Antonio Valencia and Carrick were both left behind.
Anthony Martial and Henrikh Mkhitaryan, both on the scoresheet in a 4-1 win, came off against CSKA Moscow with what appeared to be knocks.
And Mourinho, speaking after the game, was quick to rule out Carrick and express “many doubts” over Jones, while adding that there was a slim hope of Fellaini returning.
“I think Carrick has no chance,” he said.
“I think Jones, I have many doubts, and Fellaini, I have a hope but just a hope.
He added that it was a pity that Martial, who claimed a goal and two assists, had to come off but didn’t hint towards his substitution being anything other than precautionary.
“It was a pity he [Martial] couldn’t play for 90 minutes because I was ready to leave him on the pitch for the whole game.”
Mourinho wasn’t planning to start Martial on Saturday, with Marcus Rashford likely to return to the left hand side after only playing 20 minutes in Moscow, but the Portuguese will want to call on the Frenchman’s service from the bench at some point in the second half.
The Portuguese will not want to use Ander Herrera and Nemanja Matic as a midfield duo so soon after playing the full 90 minutes in Russia, meaning Fellaini may be rushed back from injury early to give United another option in midfield.