Jose Mourinho had a big problem with Kevin De Bruyne's personality at Chelsea

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There are few managers in history more decorated than Jose Mourinho.

The Special One has amassed an incredible 25 trophies with Porto, Chelsea, Inter Milan, Real Madrid, and Manchester United.

Despite all that, there are some decisions which have followed the Portuguese boss around his entire career and frankly left him looking rather silly.

The sale of Romelu Lukaku was one. Once the Belgian had left Chelsea, he went on to establish himself as one of the Premier League's finest strikers and this summer, Mou was forced to spend £75million to take him from Everton. Awkward.

Kevin De Bruyne is another player whose departure from west London has to go down as a blot on his old manager's copybook. The playmaker was never given much of an opportunity at Stamford Bridge and was eventually sold to Wolfsburg in 2013.

It's been a blistering start to the new season for the 26-year-old, who has already scored twice and contributed four assists in all competitions, form which has helped Manchester City to the top of the table.

De Bruyne continues to defy expectations and most importantly, Mourinho's scathing comments about him when he insisted his training was "very bad" have been made to sound ridiculous.

However, for as long as the pair continue to come up against each other, fans will wonder exactly why the City star was cut loose by a man who should have one of the best eyes for talent around.

What was wrong with KDB? 

The Irish Independent have shed some light on the situation, explaining that the midfielder's character just didn't fit in with what Mourinho demands of his players.

To this day, he wants leaders who will go the extra mile for him and win at all costs. As the newspaper suggests, De Bruyne's potential alone wasn't enough.

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In his defence, he has a reputation as one of football's nice guys, so perhaps Mourinho took that as a signal that he didn't have a champion's mentality.

And while De Bruyne has always been very gracious about his old foe, he has admitted he grew frustrated at being cast aside by Chelsea.

“When you have already played many years of first-team football, it is hard to then be told you have to wait for a chance to show what you can do,” he said, per the same source.

“Okay, I was a young player, but I was experienced and felt I deserved a chance to show what I could do at Chelsea. Maybe they just didn’t think I was good enough. That’s their decision.”

What do you make of Mourinho's decision to sell De Bruyne? Have your say in the comments.

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