Edvald Boasson Hagen wins first stage of Tour of California . Slovakian outsprinted Bradley Wiggins and Cancellara . Cancellara keeps race leader 's yellow jersey . Pre-race favorite Edvald Boasson Hagen remains in second place .
Peter Sagan wins first stage of the Tour de France . Slovakian outsprinted Fabian Cancellara and Edvald Boasson Hagen . Cancellara keeps race leader 's yellow jersey . Pre-race favorite Bradley Wiggins remains in second place .