Complex sentence: He is a product of the AEK Athens F.C. youth ranks and he promoted to the first team on 20 August 2012, signing for four years, to be the 4th goalkeeper of the team, behind Konstantopoulos, Arabatzis and Moschonas.
Split into simpler sentences: He is a product of the AEK Athens F.C. youth ranks. He advanced to the first team on 20 August 2012, signing for four years, as the 4th goalkeeper, behind Konstantopoulos, Arabatzis and Moschonas.