Ali Rıza Sergen Yalçın (born 5 November 1972), known as Sergen Yalçın, is a Turkish football commentator, coach and former international footballer who played as a midfielder. Coming through the Beşiktaş Youth Infrastructure which he entered at the age of 10, he broke into the first team for which he played for 15 years. He said that Serpil Hamdi Tüzün, who watched Sergen for 15 seconds and brought him to Beşiktaş, drew 10 goal positions every day in line with his directive and applied them. He took part in the squad which was the "Undefeated Champion" in the 1991–92 1.Lig. In 1997, he transferred to Istanbulspor with a record transfer fee. Wearing the uniform of the four largest in Turkey is the first of the two players. In 2000, The Guardian newspaper said, "He has an invaluable left foot, he can even put the ball in an ashtray 60 meters away." He also stated that Newcastle United coach Bobby Robson was a fan of Sergen Yalçın. In his album "On the Bosphorus" by jazz musician Önder Focan, he was inspired by producing "Negres" (reverse Sergen). Returned to Beşiktaş in 2002. Beşiktaş's top goal scorer of the squad which, became the champion in its 100th year. In the match played between Beşiktaş and Galatasaray in the 33rd week of the season, he scored the goal that brought the 100th year championship, and he realized the classic saying of Ercan Taner; "Sergen scored, championship came". He was selected as one of the best footballers of 100 years in 2003 as a result of the votes cast by the directors, media representatives and fans who were members of the Board of Directors, and the Board of Directors at Beşiktaş JK. In 2003 Player of the Year in Turkey has been selected. October 1, 2003 Chelsea-Besiktas in the Champions League group game Sergen Yalcin's 2 goals led the throw to break a lot of records Besiktas and Turkey. In the 2003-04 season, with the Beşiktaş shirt, he got close to the penalty bow against Çaykur Rizespor with the ball he won from the back of the middle field and completed with a scoring goal with İlhan Mansız, he won the "Goal of the Year" award. He came to Besiktas in 2002 and left in 2006. He became one of the rare midfielder players, who exceeded 100 goals in the league. From the British press,