Erdoğan tested positive for the banned substance Nandrolone, and was thus immediately suspended from the FIBA SuproLeague's 2000–01 season competition.

Erdoğan was a developmental product of the TED Ankara Kolejliler academy, and made his professional debut with that team.

[citation needed] Erdoğan then played with the Turkish clubs Efes Pilsen and Türk Telekom.

[citation needed] Erdoğan tested positive for the banned substance Nandrolone, and he was thus immediately suspended from the FIBA SuproLeague's 2000–01 season competition.

Erdoğan tested positive in his "A" urine sample, which revealed a level of Nandrolone (anabolic androgenic steroids) that was above the limit specified under FIBA's doping controls.