Roberto Mancini has signed a new £37.5million deal with Manchester City - making him the Premier League's highest-paid boss.Mancini will earn £7.5m-a-year under the terms of the new five-year deal, overtaking rivals Sir Alex Ferguson and Arsene Wenger in the pay stakes.The City boss, who guided the club to the Premier League title last season - their first for 44 years - has seen his heroics rewarded with the lucrative deal.City reached agreement with Mancini swiftly following talks, heading off interest in the Italian from the Russian national side.Mancini, 47, currently on a pre-season training camp with City in Austria, said: "I am delighted to be able to give all of my efforts to Manchester City for a further five years."The opportunity which exists to build on our recent success is enormous."Manchester City is a fantastic football club, from the owner, chairman, Board and the executive team, through to the players, staff and fans."I am very much looking forward to the challenges and excitement ahead."Although he is now the highest-paid boss in England, Mancini still lags some way behind Jose Mourinho, who earns a whopping £10m-a-year at Real Madrid.