Midfielder who joined Schalke 04 in 2012 and began his long tenure with the Swiss national team in 2004.
He debuted professionally for St. Gallen in 2002.
He made 187 appearances for Bayer Leverkusen from 2004 to 2012.
He was born in St. Gallen, Switzerland.
He and Eren Derdiyok became teammates on the Swiss national team.