sentences:  On 31 January, Janko was officially unveiled as a Porto player and was given the number 29 shirt, joining in a €3 million move and signing a contract until June 2015.On 5 February, he scored his first goal for Porto against Vitória de Setúbal in the Taça de Portugal, a 2–0 win.On 28 August 2012, after just half a year at Porto, Janko signed for Turkish club Trabzonspor for a €2.4 million transfer fee.