Some of the world’s best athletes, including Peyton Manning, Eli Manning, DeMarcus Ware, Chad Ochocinco and MMA legend Randy Couture, gathered in Dallas for the Reebok ZigTech Cowboy Up Challenge. ESPN sideline reporter Erin Andrews, the new spokesperson for Reebok ZigTech, hosted the event. STACK was also in the house, and we caught up with the athletes to get their feedback on training with the ZigTech [see video above].