Kolo told the Daily Mail: "Yaya was a better player than me and I think he did better than me here.
"I am more competitive than him. He is more talented. I was a better runner and I work hard. If Yaya had my work [ethic], with his talent he would have won the Ballon D'Or.
"He's a lovely man. He's a lovely, lovely guy and sometimes there is a misunderstanding of his communication, because English is not our first language. Sometimes you can say things that you're not meaning, really. But because you're on it, you just keep talking, and that can turn against you. But deep inside he's a lovely guy and I know he loves City."