Therefore, I believe he'll turn to his old faithful, Marouane Fellaini.
Fred, who joined United from Shakhtar Donetsk in the close season for a fee reported by British media to be 52 million pounds ($66.29 million), has started only six of their 15 Premier League matches. It is the best football to play in.
"(We are) still waiting for conclusions, still waiting for people like Martial, Smalling, Jones - people with these kind of doubts", Mourinho said. "We're now into our third year and these issues are still the main issues at Manchester United and José's got his perspective and Pogba's got his perspective - that doesn't bring unity when they're breathing against each other", he added.
"The players tried. They raised the level of their efforts".
"We need to score more goals".
While United are now down in eighth in the top flight, manager Jose Mourinho insisted he did a "fantastic job" in taking second place in the Premier League last season.
"That's up to the club", Young, who turns 34 next July, said.
"For a young kid to come in and play like he's been here for years has been fantastic".
Mourinho also knows that Jurgen Klopp has a highly talented squad at his disposal and will be arranging his team to thwart the threats posed by Mo Salah, Sadio Mane and Roberto Firmino.
"I don't know. It depends on our evolution but also the evolution of others", he said, speaking ahead of Saturday's home match against bottom club Fulham.
Signed from Porto in the summer, the 19-year-old was named man-of-the-match on just his second Premier League start thanks to his marauding runs, impressive crosses and defensive solidity.
He was sadly sacked just a few months later, something to which Jose Mourinho responded to by having his Manchester United tracksuit top emblazoned with Ranieri's initials.
Marcelino on Fellaini's victor for United against Young Boys, which extinguished his side's hopes of progressing: "I don't think it [the Fellaini goal] alone was what deprived us of having a chance [of progression], but the hand [ball] is there".