Guardiola offered his opinion on the midfielder after victory over Aston Villa.
He said, "He is an incredible, incredible football player. A top football player. I am glad that he plays for Aston Villa.
"He had the opportunity to go to another club, but he chose to stay in the Championship and now he plays with Aston Villa in the Premier League. I like that they are promoted. He is a talented football player: fast in the last metres, passes, creative. An exceptional player, but too expensive for Manchester City."