On 12 May 2015 , he solved his contract with the club .
On 21 January 2015 , Petropoulos agreed with Kalloni till the end of 2014 -- 15 season .
On 12 May 2015 , Petropoulos solved Petropoulos ' contract with the club .
On 21 January 2015 , Petropoulos agreed with Kalloni till the end of 2014 -- 15 season .