FILE-This Sept. 30, 2012 file photo shows David Zabriskie from the United States competes in the men's elite time trial at the World Road Championships in Geelong, Australia. After joining the U.S. Postal squad, Zabriskie broke his vow never to take drugs himself. He testified that team manager Johan Bruyneel, the brains behind Armstrong's assaults on the Tour, pushed him to dope with EPO and that a team doctor, Luis Garcia del Moral, administered his first shot of the blood-boosting hormone, in Spain in 2003. (AP Photo/Andrew Brownbill, File)

Associated Press
FILE-This Sept. 30, 2012 file photo shows David Zabriskie from the United States competes in the men's elite time trial at the World Road Championships in Geelong, Australia. After joining the U.S. Postal squad, Zabriskie broke his vow never to take drugs himself. He testified that team manager Johan Bruyneel,  the brains behind Armstrong's assaults on the Tour,  pushed him to dope with EPO and that a team doctor, Luis Garcia del Moral, administered his first shot of the blood-boosting hormone, in Spain in 2003. (AP Photo/Andrew Brownbill, File)
FILE-This Sept. 30, 2012 file photo shows David Zabriskie from the United States competes in the men's elite time trial at the World Road Championships in Geelong, Australia. After joining the U.S. Postal squad, Zabriskie broke his vow never to take drugs himself. He testified that team manager Johan Bruyneel, the brains behind Armstrong's assaults on the Tour, pushed him to dope with EPO and that a team doctor, Luis Garcia del Moral, administered his first shot of the blood-boosting hormone, in Spain in 2003. (AP Photo/Andrew Brownbill, File)
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