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MADINAT AL SHAMAL, QATAR - FEBRUARY 07: Mark Cavendish of Great Britain and Omega Pharma - Quick Step retained his gold leader's jersey after stage five of the 2013 Tour of Qatar from Al Zubara Fort to Madinat Al Shamal on February 7, 2013 in Madinat Al Shamal, Qatar. (Photo by Bryn Lennon/Getty Images)

MADINAT AL SHAMAL, QATAR - FEBRUARY 07:  Mark Cavendish of Great Britain and Omega Pharma - Quick Step retained his gold leader's jersey after stage five of the 2013 Tour of Qatar from Al Zubara Fort to Madinat Al Shamal on February 7, 2013 in Madinat Al Shamal, Qatar.  (Photo by Bryn Lennon/Getty Images)