Bradley Wiggins pre-race favorite to win the Tour de France . Contador is still serving a ban as a result of his 2010 misdemeanors and will return in August . Mark Cavendish would be first Briton to win the famous Saturday race . Compatriot Mark Cavendish defending Belgium of points winner . Race starts three-week in green jersey , Belgium with a prologue .
Bradley Wiggins pre-race favorite to win the Tour de France . Mark Cavendish would be first Briton to win the famous Saturday race . Compatriot Mark Cavendish defending Belgium of points winner . Race starts three-week in green jersey , Belgium with a prologue .