Athinaiou played from a young age in Poseidonas, a club in Psychiko, Athens, Greece, before he started his pro career
Ioannis Kapodistrias | Ioannis Pallikaris | Ioannis G. Tsatsaris | Ioannis Theodorakopoulos | Ioannis Poulos | Ioannis Persakis | Ioannis Matzourakis | Ioannis Liritzis | Ioannis Kyrastas | Ioannis Kakridis | Ioannis Charalambopoulos | Ioannis Bourousis | Ioannis Andreou |