The Swede will be 36 by the time he next plays, with the serious knee injury expected to keep the striker out until early 2018.
According to the Daily Telegraph, talks are already underway for United to sign the Spain worldwide as Ibrahimovic's departure should be all but confirmed tomorrow with his name to be left off a list of players retained by the club.
BRUSSELS, BELGIUM - APRIL 13: Zlatan Ibrahimovic of Manchester United looks dejected during the UEFA Europa League quarter final first leg match between RSC Anderlecht and Manchester United at Constant Vanden Stock Stadium on April 13, 2017 in Brussels, Belgium. He continues to excel in front of goal despite being 35-years old.
"He's a player who has helped has a lot on and off the pitch, he's a wonderful person, incredibly amusing and I spend any great moments with him", he said.
"He's a wonderful person, incredibly amusing, I only spend great moments with him".
Theresa May: UK will change human rights laws
The election campaign has been largely focused on national security in the wake of Britain's third major terror attack this year. Speaking after the London attack, Mrs May said "enough is enough" and that "things need to change" in the terror fight.
"He's a victor on the pitch and he added that mentality to the team as he scored a lot of goals even though not many people would have thought it due to his age".
Costa, who scored 22 goals for Chelsea last term and is now away on global duty with Spain, said: "My relationship with the coach has been bad this season".
Speaking about his team-mate, Pogba claims Zlatan has always given his all to help the team.
"He was unlucky and suffered a bad injury but he won three trophies with us".