Tour de France: Riders past and present shocked by Peter Sagan's disqualification

Mark Cavendish is treated by the race doctor

Mark Cavendish is treated by the race doctor (Image credit: Bettini Photo)

Opinions vary among the polemics being dished up in the aftermath of Peter Sagan's disqualification from the Tour de France for "irregular riding" when Mark Cavendish crashed at the end of stage 4 on Monday. The crash and subsequent penalty are so controversial that even an eye witness like sprinter Andre Greipel has multiple opinions.