Dallas Cowboys legend Daryl Johnston has won three Super Bowls and racked up around 3,000 yards of offense. Now he's tackling the USFL and has been named the spring football league's new president. Relive the glory days of the Cowboys and look to the future of the USFL as Daryl "Moose" Johnston and Rick & Bubba talk dollars and cents and X's and O's on this episode of "Rick & Bubba University"! | Rick and Bubba

Before he opened holes for the all-time leading rusher, the Building Blocks of Daryl Johnston’s young life helped shape the man who would become known as “Moose.” “Building Blocks: The Making of Daryl Johnston Trailer” presented by Pepsi is coming tomorrow 8/21 LIVE @ 3pm CT on Dallascowboys.com, mobile app, connected tv app & all social channels. | Dallas Cowboys