Speaking at a pre-match press conference Roberto Mancini says "Mario is Mario" but he needs to change. He also confirmed he has no plans to sell the striker.
Sir Alex Ferguson says it would never be possible to gain access to Manchester United's training sessions.
Manchester City manager Roberto Mancini has played down his latest confrontation with controversial striker Mario Balotelli.
Mario Balotelli's Manchester City future is in doubt after he was photographed in a training-ground bust-up with manager Roberto Mancini.