of Germany won the sixth stage of the
in a sprint as the pack entered Champagne country, and
of Italy retained the yellow jersey on Thursday at Reims, France.
The German champion collected his sixth career Tour stage victory by outpacing Norway's
in second and France's
in third at the end of the 194-kilometer (120-mile) ride from Arras to Reims.
The peloton faced intermittent drizzle over the mostly flat course, which was well suited for sprinters.
The top standings didn't change, as most of the contenders for victory in the three-week race trailed close behind the muscular Greipel. He was not a challenger for the overall title; like many sprinters, he does not fare well on the climbs that are crucial to winning in Paris.
Overall, Nibali has a two-second lead over teammate
of Slovakia was third, 44 seconds back.
Two-time Tour champion Alberto Contador, a day after losing about 2 1/2 minutes to Nibali, was dealt another setback on Thursday: His Saxo-Tinkoff teammate
dropped out after a crash.