The 36-year-old scored 28 goals and laid on 10 assists in all competitions last season, so he's an excellent asset for Mourinho to have at his disposal. This situation must be managed well, so as to no cause dressing room unrest.
Jose Mourinho has made no secret of his admiration for Ibrahimovic over the years and it will be fascinating to see how the Portuguese coach uses the charismatic centre-forward and Romelu Lukaku over the coming weeks.
Playing them together will be similarly tricky.
His fellow pundit on Monday Night Football on Sky Sports, Craig Bellamy, too believes Ibrahimovic's presence could affect Lukaku's confidence.
The Swede did come on for the match vs Newcastle and sent the former Everton striker out wide to the right flank and Carragher believes the pair's partnership may not work. "I think he will help us a lot and he already has in just a short time". I don't know if Jose has told him to do this, but he comes on and tells Lukaku to go on the right wing, and he does it.
Both Carragher and his MNF co-pundit Craig Bellamy found the footage very amusing and you can watch it here...
"I was asked who I thought was good in the league and I mentioned Lukaku", said Ibrahimovic.
Sayfullo Saipov's 22-Count Indictment, Terrorism Charges In NYC Truck Attack
The mother of the man accused of killing eight people in a terror attack in NY has said she believes her son is innocent. An intelligence source told CBS News' Pat Milton that Saipov was on authorities' radar before the attack.
Florida Fish and Wildlife Conservation Officials Remove Crocodile From Beach
Surf Road and Haynes Street after witnesses reported seeing the crocodile walking along the shore around 7:30 a.m. November 20, 2017: A 6-foot crocodile rests along Hollywood Beach near the Dania Beach pier in Hollywood, Fla .
This Humanoid Robot May be Your Next Assistant
The T-HR3 robot unveiled Tuesday is controlled by an operator seated in what the automaker calls the Master Maneuvering System . For those who have already vested their interest in the 3 generation Humanoid robot by Toyota , there is good news.
After seven club games without a goal dating back to September, Lukaku added the finishing touches to United's 4-1 win, lashing a ferocious shot into the roof of the net for their fourth after 70 minutes.
"The concern with Zlatan is that he is such a big character, always the main man, wherever he's been". I don't know if he (Zlatan) will have too much mentally and if it will effect Lukaku.
"Would it impact my confidence?"
As part of Lukaku's agreement to make the payment to the Beverly Hills Police Department, the charges against him will be reduced and he will not face any jail time over the incident. But it could become a problem, the energy Zlatan creates, it will be all about him, and it's always been that way. "To win and get the trophies", he said.
Mourinho's side slipped eight points behind leaders Manchester City before the worldwide break after a 1-0 defeat by Chelsea at Stamford Bridge.
Watch their analysis in full here.