Sir Alex Ferguson has lifted the lid on Paul Pogba's Manchester United departure, and the Scot placed the blame firmly with the French midfielder's agent.
Having made seven appearances in all competitions for the Red Devils, Pogba left Old Trafford on a free transfer in 2012 after his contract expired.
The France international has developed into one of the world's most sought-after talents at Juventus and many believe the loss of Pogba was one of Ferguson's biggest mistakes at Manchester United.
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Since joining the Old Lady, the 22-year-old has made 135 appearances and helped the Serie 'A' club to a domestic double and Champions League final last season.
He also played a vital role for Juventus on his return to Manchester, at the Etihad in a 2-1 win over Manchester City.
In his new book, Leading, the 73-year-old blames Pogba's agent Mino Raiola for convincing the midfielder he was better off away from Old Trafford.
"There are one or two football agents I simply do not like, and Mino Raiola, Paul Pogba's agent is one of them," Ferguson said, as per the Mirror.
"I distrusted him from the moment I met him. He became Zlatan Ibrahimovic’s agent while he was playing for Ajax, and eventually he would end up representing Pogba, who was only 18-years-old at the time.
“We had Paul under a three-year contract, and it had a one-year renewal option which we were eager to sign. But Raiola suddenly appeared on the scene and our first meeting was a fiasco.
"He and I were like oil and water. From then on, our goose was cooked because Raiola had been able to ingratiate himself with Paul and his family and the player signed with Juventus.”
Pogba has proven he was ready for first-team football since leaving United, but you can't blame Ferguson for his reluctance to throw an 18-year-old into the mix.
It proved to be a bad decision for the future of Manchester United, but you can not downplay the role Raiola had in turning his client's head.
Are there any bigger errors from Alex Ferguson than letting Paul Pogba leave? Have your say below!