Sir Alex Ferguson will be leaving his post as manager of Manchester United at the end of the 2012/13 season, according to close friend Dave Whelan.
The Scot has been in charge at Old Trafford for 26-year, creating a dynasty with the Red Devils with 12 Premier League titles and two European Cups on his managerial CV.
Having previously considered calling time on his managerial career, Ferguson appeared to have the hunger for trophies back in recent seasons, enjoying the battle for more domestic and European honours against the likes of Pep Guardiola and Roberto Mancini.
However, the Wigan Athletic chairman claims that increasing pressure is starting to have an affect on the former Aberdeen chief, and that he has nothing left to prove in the game.
"After next season, Sir Alex will call it a day. The pressure is telling, especially when you are at the top for so long," Whelan told ESPN.
"The older you get the harder it is to cope with all that pressure, and eventually it will affect you. Sir Alex is resilient and I know he will want to carry on until he drops, and I respect what he has achieved as everyone does.
"In fact, I would say he is the best manager that there has ever been, and if and when he does pack it in, he will be an enormous loss to the game, that's for sure.
"The way he has had such unparalleled success, the way he knows how to choose the right players and then get even more out of them, that makes him the best manager ever, the best we have ever seen.
"I am sure his intention was to carry on for two or three, maybe even more years, but he has had a little scare in the last week or so and that tells me he will think very hard, and realise there is no point trying to carry on for another five years and take the risk."
Ferguson was taken to hospital last Friday with a nose-bleed, which came less than a week after City had snatched the title from United's grasp on the final day of the season.
Manchester United have not confirmed the claims however, and Ferguson is unlikely to do the same even if his intention was to call it a day at the end of the next campaign.
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