Maradona: Man City's Aguero rescued Mancini reputation
Maradona is unhappy with Mancini's treatment of Carlos Tevez this season.
"Everybody knew what kind of player Aguero was, so I'm not surprised by the level he's playing at Manchester City," he told the People.
"Mancini has a better CV thanks to Aguero. He is making the difference at a team like City, in which the cheapest player costs £40million."