He also was a member of the Dallas Cowboys and San Francisco 49ers in the National Football League (NFL).
Brock attended Ogden High School before moving on to Utah State University, where he was a multi-sport athlete.
[1] In football, he was a two-way tackle, playing behind Merlin Olsen and Clark Miller.
It was claimed that he signed a contract with a professional team before the game, and the school suspended him for the contest to avoid any possible sanctions by the NCAA.
It was only when Brock got to the Saskatchewan Roughriders in 1964 that he became a standout at right offensive tackle, playing his entire career with the Green Riders.