Former German midfielder who ended his career with Toronto FC in 2012, after earning over 160 caps for Bayern Munich.
He made his senior debut with Alemannia Aachen in 1994, at the age of 18.
He helped Germany earn second place and third place finishes in his two FIFA World Cup appearances.
He had two children, Lisa and Lena, with his wife Petra Frings.
He was teammates with Lukas Podolski on Germany's national team from 2004 to 2009.