The 24-year-old switched from AC Milan to Anfield as part of a £16m deal.In doing so, he has become Carnlough man Rodgers' ninth signing of the summer.Balotelli said: "I'm very happy. We've been talking about coming here and now I'm happy to be here."The signing of Balotelli, who helped Manchester City win the Premier League title in 2012, comes as one of the shock moves of the summerIt is understood he has penned a three-year deal with Liverpool - with the option of a fourth year - and will wear his favoured No 45 shirt.However he will not be registered in time to play against City on Monday evening.Brendan Rodgers' side finished second in the league last season and the Co Antrim-born manager has strengthened his squad over the summer, after the departure of Luis Suarez."Liverpool are one of the best teams here in England and the football is very good here. It's a great team with young players, and that's why I came here," added Balotelli.