He made just 14 Premier League appearances this season despite having a successful first year at Chelsea .
The former Bayer Leverkusen man who had joined Chelsea in summer of 2013 , left the Blues after only one and a half years at the club .
man made just 14 Premier League appearances this season despite having a successful first year at Chelsea .
The former Bayer Leverkusen man who had joined Chelsea in summer of 2013 , left the Blues after only one and a half years at the club .