Atletico Madrid president Enrique Cerezo has taken aim at Manchester City striker Sergio Aguero.
Cerezo remains angry over the way El Kun left the club three years ago.
"Agüero had the chance to leave the club as a legend, but the way he made his exit was stupid," said Cerezo.
City splashed out €45 million to ferry Aguero away from Madrid in 2011.
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