Eden Hazard believes Diego Costa's change in mentality has boosted Chelsea after the Spanish striker produced another starring performance for the Blues in their comeback victory over Manchester City. City went 1-0 up at the Etihad Stadium before Costa struck a brilliant equaliser - his 11th league goal of the season - before Willian and Hazard completed an excellent win for Antonio Conte's men. Costa has exhibited a more sangfroid disposition this season and Hazard believes Chelsea are...
Source: 90min.com