Career
Konstantinidis previously played for Iraklis Thessaloniki F.C., AEK Athens F.C., Ionikos F.C. and Panserraikos F.C. in the Greek Super League and Agrotikos Asteras in the Beta Ethniki. His nickname was "doctor" because he has been studying medicine. Konstantinidis also made three appearances for the Greece national football team during 1999.
