FC Basel coach Hakan Yakin speaks to media during a news conference in Basel September 30, 2013. FC Basel will play against Schalke 04 their Champions League Group E soccer match at St. Jakob-Park stadium in Basel October 1, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER) 

FC Basel coach Hakan Yakin speaks to media during a news conference in Basel September 30, 2013. FC Basel will play against Schalke 04 their Champions League Group E soccer match at St. Jakob-Park stadium in Basel October 1, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER) 

FC Basel's (FCB) Granit Xhaka (L) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Basel, December 3, 2011. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Thun's goalkeeper David Da Costa (R) fails to stop a penalty by FC Luzern's Hakan Yakin (L) during their Swiss Super League soccer match in Thun, November 5, 2011. REUTERS/Michael Buholzer (SWITZERLAND - Tags: SPORT SOCCER) 

FC Thun's Enrico Schirinzi (C) fights for the ball with FC Luzern's Hakan Yakin (top) and Jahmir Hyka (back) during their Swiss Super League soccer match in Thun, November 5, 2011. REUTERS/Michael Buholzer (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (R) and his teammates celebrate after he scored during a Swiss Super League soccer match against FC Zurich (FCZ) in Zurich October 30, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) stands beside his brother and coach Murat Yakin before he is substituted during their Swiss Super League soccer match against FC Zurich (FCZ) in Zurich October 30, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Zurich's (FCZ) Admir Mehmedi (R) challenges Hakan Yakin of FC Luzern during their Swiss Super League soccer match in Zurich October 30, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin stands beside his brother and coach Murat Yakin (L) after he was substituted during their Swiss Super League soccer match against FC Lausanne-Sport in Luzern October 27, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) is challenged by Salim Khelifi of FC Lausanne-Sport during their Swiss Super League soccer match in Luzern October 27, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER HEADSHOT) 

FC Luzern's Hakan Yakin (L), Michel Renggli and Nelson Ferreira (R) react at the end of their Swiss Super League soccer match against FC Neuchatel Xamax in Luzern, October 22, 2011. Xamax won the match 2-1. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin reacts as FC Neuchatel Xamax players celebrate at the end of their Swiss Super League soccer match in Luzern, October 22, 2011. Xamax won the match 2-1. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) and Michel Renggli react at the end of their Swiss Super League soccer match against FC Neuchatel Xamax in Luzern, October 22, 2011. Xamax won the match 2-1. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin and Michel Renggli react at the end of their Swiss Super League soccer match against FC Neuchatel Xamax in Luzern, October 22, 2011. Xamax won the match 2-1. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

BSC Young Boys' (YB) Alexander Farnerud (R) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Bern October 2, 2011. REUTERS/Michael Buholzer (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (R) reacts after scoring against FC Sion next to FC Sion's Jose Goncalves (2nd R) and FC Luzern's Michel Renggli (2nd L) and Nelson Ferreira during their Swiss Super League soccer match in Luzern September 25, 2011. REUTERS/Adrian Streun (SWITZERLAND - Tags: SPORT SOCCER) 

Grasshopper's (GC) Michael Lang (R) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Zurich, August 27, 2011. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

Grasshopper's (GC) Michael Lang (R) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Zurich, August 27, 2011. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (bottom) fights for the ball with FC Sion's Adailton during their Super League soccer match in Sion August 13, 2011. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's coach Murat Yakin (L) talks to FC Luzern player Hakan Yakin (R) during their Swiss Super League soccer match against BSC Young Boys' in Lucerne August 7, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (R) fights for the ball with FC Lausanne-Sport's Nicolas Marazzi during their Swiss Super League soccer match in Lausanne August 3, 2011. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (top) fights for the ball with FC Lausanne-Sport's Nicolas Marazzi during their Swiss Super League soccer match in Lausanne August 3, 2011. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SPORT CYCLING) 

FC Luzern's Hakan Yakin reacts during their Swiss Super League soccer match against FC Thun in Lucerne July 31, 2011. This is the opening home game of FC Luzern at the new 17,000 seat Swissporarena. REUTERS/Romina Amato (SWITZERLAND) 

FC Luzern's Hakan Yakin (R) spits on referee Daniel Wermelinger during their Swiss Super League soccer match against FC Thun in Lucerne July 31, 2011. This is the opening home game of FC Luzern at the new 17,000 seat Swissporarena. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER IMAGES OF THE DAY) 

FC Luzern's Hakan Yakin (L) fights for the ball against FC Thun's Stipe Matic (R) during their Swiss Super League soccer match in Lucerne July 31, 2011. This is the opening home game of FC Luzern at the new 17,000 seat Swissporarena. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) fights for the ball with Neuchatel Xamax Gilles Binya during their Super League soccer match in Neuenburg July 17, 2011. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (10) kicks a freekick during their Super League soccer match against Neuchatel Xamax in Neuenburg July 17, 2011. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin celebrates after scoring during a Swiss Super League soccer match against FC St. Gallen in St. Gallen May 14, 2011. Luzern won the match 4-0. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin celebrates after scoring during a Swiss Super League soccer match against FC St. Gallen in St. Gallen May 14, 2011. Luzern won the match 4-0. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC St. Gallen's Michael Lang is challenged by Kukeli Burim (L) and Hakan Yakin (R) of FC Luzern during their Swiss Super League soccer match in St. Gallen May 14, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Nelson Ferreira (C) celebrates scoring a goal against FC Sion with team mate Nico Siegrist and Hakan Yakin (R) during their Swiss Super League soccer match in Sion May 10, 2011. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's captain Hakan Yakin is pictured during their Super League soccer match against BSC Young Boys in Emmenbruecke, outside Lucerne May 7, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's captain Hakan Yakin reacts during their Super League soccer match against BSC Young Boys in Emmenbruecke, outside Lucerne May 7, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (R) fights for the ball against BSC Young Boys Alain Nef (L) during their Super League soccer match in Emmenbruecke, outside Lucerne May 7, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's captain Hakan Yakin during their Super League soccer match against BSC Young Boys in Emmenbruecke, outside Lucerne May 7, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's captain Hakan Yakin during their Super League soccer match against BSC Young Boys in Emmenbruecke, outside Lucerne May 7, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin drinks water during their Super League soccer match against AC Bellinzona in Emmenbruecke, outside Lucerne April 23, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) fights for the ball against AC Bellinzona's Aimo Diana (R) during their Super League soccer match in Emmenbruecke, outside Lucerne April 23, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT SOCCER) 

Switzerland national soccer team players Alexander Frei (L) and Hakan Yakin warm up during a training session at Vasil Levski stadium in Sofia March 25, 2011. Switzerland will meet Bulgaria in a Euro 2012 qualifier on Saturday. REUTERS/Stoyan Nenov (BULGARIA - Tags: SPORT SOCCER) 

BSC Young Boys' Thierry Doubai (L) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Bern March 20, 2011. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin celebrates after scoring the first goal against Grasshopper Club (GC) during their Swiss Super League soccer match in Emmenbruecke, outside Lucerne March 12, 2011. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's coach Rolf Fringer (R) congratulates Hakan Yakin during their Swiss Super League soccer match against Grasshopper Club's (GC) in Emmenbruecke, outside Lucerne March 12, 2011. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

AC Bellinzona's Pavel Pergl (L) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Bellinzona February 20, 2011. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin is challenged by Marco Schoenbichler (L) of FC Zurich (FCZ) during their Swiss Super League soccer match in Zurich February 5, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin challenges Silvan Aegerter (R) of FC Zurich (FCZ) during their Swiss Super League soccer match in Zurich February 5, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin challenges Silvan Aegerter (R) of FC Zurich (FCZ) during their Swiss Super League soccer match in Zurich February 5, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Janko Pacar (L), Daniel Gygax (2nd L), Hakan Yakin (2nd R) and Christophe Lambert react after scoring their second goal against AC Bellinzona during their Swiss Super League soccer match in Bellinzona December 5, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: SPORT SOCCER) 

AC Bellinzona's Henry Siqueira Barras (C) reacts after FC Luzern's Hakan Yakin (L) socred during their Swiss Super League soccer match in Bellinzona December 5, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: SPORT SOCCER) 

AC Bellinzona's goalkeeper Matteo Gritti (2nd L) dives for the ball kicked by FC Luzern's Hakan Yakin (10) during their Swiss Super League soccer match in Bellinzona December 5, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: SPORT SOCCER) 

FC Thun's coach Murat Yakin (L) stands next to his brother FC Luzern's player Hakan Yakin after their Swiss Super League soccer match in Thun November 27, 2010. The game ended 1-1. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

FC Thun's coach Murat Yakin (L) stands next to his brother FC Luzern's player Hakan Yakin after their Swiss Super League soccer match in Thun November 27, 2010. The game ended 1-1. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

FC Thun's Enrico Schirinzi (R) fights for the ball with FC Luzern's Hakan Yakin during their Swiss Super League soccer match in Thun November 27, 2010. The game ended 1-1. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

Switzerland's Alexander Frei (L) hands his captain arm band to his team mate Hakan Yakin as he leaves the pitch during his international friendly soccer match against Ukraine in Geneva, November 17, 2010. REUTERS/Valentin Flauraud (SWITZERLAND - Tags: SPORT SOCCER) 

Ukraine's Vitaliy Mandzyuk (L) fights for the ball with Switzerland's Hakan Yakin during their friendly soccer match in Geneva, November 17, 2010. REUTERS/Valentin Flauraud (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) fights for the ball with Grasshoppers' (GC) Paulo 'Paulinho' Menezes during their Swiss Super League soccer match in Emmenbruecke, outside Lucerne, November 14, 2010. REUTERS/Michael Buholzer (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (L) and FC Basel's (FCB) Alexander Frei leave the pitch after FC Basel supporters threw tennis balls on the pitch to protest against today's kick off time during their Swiss Super League soccer match in Emmenbruecke, near Lucerne November 7, 2010. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (C) fights for the ball with FC Basel's (FCB) Benjamin Huggel (L) and Gilles Yapi during their Swiss Super League soccer match in Emmenbruecke, near Lucerne November 7, 2010. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (R) fights for the ball with Neuchatel Xamax Freddy Mveng during their Swiss Super League soccer match in Neuenburg October 23, 2010. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER) 

FC Luzern's Hakan Yakin (2nd L) and teammates celebrate after he scored the fourth goal during their Swiss Super League soccer match against AC Bellinzona in Luzern September 12, 2010. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER) 

AC Bellinzona's goalkeeper Matteo Gritti (L) and Hemza Mihoubi challenges Hakan Yakin (R) of FC Luzern during their Swiss Super League soccer match in Luzern September 12, 2010. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER)