Original: In 2007, with former riders Georg Totschnig (retired) and Levi Leipheimer (left for Discovery Channel Pro Cycling Team) gone, the team turned to youngsters Markus Fothen and Stefan Schumacher to captain the team in the 2007 Tour de France.
Simplified: In 2007, Georg Totschnig retired and Levi Leipheimer moved to the Discovery Channel Pro Cycling Team. The team used  youngsters Markus Fothen and Stefan Schumacher to captain the team in the 2007 Tour de France.