Vincent Kompany and Sergio Gomez insiders have already told Man City what left-back can offer

It's clear that Sergio Gomez is a talented football player - he wouldn't have represented Barcelona, Borussia Dortmund and Spain's under-21s if he wasn't, and Manchester City wouldn't have agreed an £11million fee for him either.

What City will be looking for from the prospective new left-back is the right attitude to improve and grow if he joins the Blues as a 'development' signing. That is where the club's extensive scouting system will identify whether a quality player has the right attitude to back up their on-pitch talent.

When scouting Gomez, City might have asked former captain Vincent Kompany, who managed him at Anderlecht and last season had only positive words to say about the 21-year-old.

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In fact, after an uncharacteristic mistake last season, Kompany and Gomez's teammates leapt to his defence and praised his character which will resonate far more with City than the mistake itself.

Kompany said: "Sergio Gomez, in particular, experienced the first difficult moment of his Anderlecht period. Yes, it was a mistake that had consequences. But that's part of the life of a football player.

"We're talking about a championship match. It could have happened in the semi-finals of the World Cup. Sergio has the necessary mentality to improve after such a mistake. He is not here only for his talent, he also convinced us with his mental abilities. It will only be a step in his apprenticeship."

Teammate Wesley Hoedt said: “It can happen. It comes at an unfortunate moment, but we really can't say anything bad about Sergio. He remains a young guy and is having a great season.”

Gomez arrived at Anderlecht from Dortmund, where he