AC Milan coach Massimiliano Allegri is delighted with the impact of January signing Mario Balotelli.

Allegri says he's enjoying working with the former Manchester City firebrand.

"He is not difficult to manage. He's a great professional, a guy whose very polite and respectful. His arrival was good for AC Milan, as it has been good for the same player who found himself in a team where he can play a leading role."