Jermaine Jenas backs Chelsea star to become ‘one of the best players on the planet’

Ex-England midfielder Jermaine Jenas (Picture: Getty)Jermaine Jenas believes Chelsea have a player who can become ‘one of the best players on the planet’.After briefly threatening to mount a Premier League title challenge, Chelsea have been forced to alter their expectations during a difficult second-half to the season.Chelsea beat newly-crowned champions Liverpool 3-1 on Sunday but the victory only put the Blues level on points with fourth-placed Newcastle United as they chase Cham