"[He is] a man that wants the best from the players every day".
Ibrahimovic had previously worn the number nine shirt at Old Trafford, but was replaced by £75 million summer arrival Romelu Lukaku.
But the 24-year-old former Everton and Chelsea striker is not shirking from the challenge that Ibrahimovic will pose to his starting spot.
The Manchester United veteran is continuing to recuperate from the cruciate knee ligament injury he sustained back in April, and has stepped up his rehab in recent weeks as medical staff have been left shocked by the speed of his recovery.
The return of a man who plundered 28 goals in all competitions for United last season will offer a timely boost to the Red Devils cause.
Marouane Fellaini is also out of contract next summer, with United having invoked the extension clause in his deal in January.More news: Columbus Active Shooter at Scioto High School Report
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However, with the presence of Ibrahimovic looming over him, will he be resigned to the bench in favour of Ibrahimovic?
"I wanted to play for him since I was 11 so when you get another chance like that you don't turn it down and I'm really grateful for the second opportunity", said Lukaku.
The other big issue is - United's attack seems to be much better and much more fluid Lukaku playing up front as opposed to Ibrahimovic. This means the aforementioned three players will need to sign new contracts if they are to remain United players after this season.
Ibrahimovic has been named in the squad for United's return to the Champions League.
In an interview with the BBC, Lukaku was asked if the competition from Ibrahimovic could help him improve. Ibrahimovic will know himself that he will not be the main player of the team like last season, and that his role will not be as vital. "I think it's good to have another guy who is hungry to win trophies".