Okan Aydın  Okan Aydın (, born 8 May 1994) is a Turkish professional footballer who plays for Austria Klagenfurt, on loan from FC Viktoria 1889 Berlin. Aydın went through Bayer 04 Leverkusen's youth ranks and eventually made his Bundesliga debut in October 2012 in a 2–2 draw with Mainz 05, as a substitute for Simon Rolfes. On 6 September 2013, he joined Eskişehirspor on a three-year contract. After not being able to establish himself at the Turkish club and earning only a single cap during the 2013–14 season, he moved back to Germany and joined 3. Liga side Rot-Weiß Erfurt. There he signed a one-year contract including a two-year extension clause. Aydın played for the Turkey national under-19 football team, which won the silver medal at the 2013 Mediterranean Games in Mersin, Turkey. He also represented Turkey at the 2013 UEFA European Under-19 Championship. Aydin also represented Germany at the 2011 U17 World Cup where he helped Germany obtain third place after losing a dramatic overtime game in the semifinals to the eventual champions and hosts Mexico.