[1] Katidis created an international controversy on 16 March 2013, when he gave a Nazi salute after scoring the winning goal against Veria.

He later told the public he was unaware of the gesture's connotations, stating that he just wanted to dedicate the goal to a colleague in the stands.

[3] As a result of the salute, the Hellenic Football Federation voted unanimously to give Katidis a lifetime ban from all Greece national teams and he was fined €50,000.

"It was disrespectful to the millions of people that suffered and paid with their lives for those who believed in false ideals and myths."

[citation needed] On 29 January 2015, Katidis penned a 2+1⁄2-year deal with fellow Superleague Greece side Levadiakos.

[13] On 4 February 2017, in his first match with the club, Katidis was involved in FF Jaro goals by giving the two assists in a 2–1 Suomen Cup win against SJK.

On 7 August 2017, Katidis left FF Jaro, signing a two-year contract with FK Olympia Prague of the Czech National Football League.

[15] On 18 September 2021, George Katidis returned to professional football after almost three years, signing for Super League 2 club Irodotos.

[17] Scoring in a game on 16 March 2013, Katidis controversially celebrated the goal by giving the crowd a Nazi salute.