A PBR bull rider clutches the bull rope as he endures 8 seconds on a bucking Brahman bull during the 2013 Enid PBR Challenge at the Enid Event Center Saturday, Nov. 16, 2013. (Staff Photo by BONNIE VCULEK)

PBR Bull RiderBrahman Bull2013 Enid PBR ChallengeEnid Event CenterBonnie VculekEnid