PALMDALE, CA - MAY 18: David Zabriskie riding for Garmin-Barracuda signs autographs for fans prior to the start of stage six of the Amgen Tour of California from Palmdale to Big Bear Lake on May 18, ... more 
PALMDALE, CA - MAY 18: David Zabriskie riding for Garmin-Barracuda signs autographs for fans prior to the start of stage six of the Amgen Tour of California from Palmdale to Big Bear Lake on May 18, 2012 in Palmdale, California. (Photo by Doug Pensinger/Getty Images) less 
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Getty Images | Photo By Doug Pensinger / Getty Images
Fri, May 18, 2012 7:54 PM EDT