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SAN DIEGO, CA - MAY 15: Peter Sagan (R) of Slovakia riding for Tinkoff sprints to the line for the win ahead of Wouter Wippert (L) of the Netherlands riding for Cannondale Pro Cycling Team in second place in stage one of the 2016 Amgen Tour of California on May 15, 2016 in San Diego, California. (Photo by Doug Pensinger/Getty Images)

SAN DIEGO, CA - MAY 15:  Peter Sagan (R) of Slovakia riding for Tinkoff sprints to the line for the win ahead of Wouter Wippert (L) of the Netherlands riding for Cannondale Pro Cycling Team in second place in stage one of the 2016 Amgen Tour of California on May 15, 2016 in San Diego, California.  (Photo by Doug Pensinger/Getty Images)