BRONCOS Broncos roster: OL Marques Cox (No. 70) looks to fill gaps behind starters Brandon Walker Broncos Wire Broncos Wire ‘s 90-man offseason roster series continues today with a look at rookie offensive lineman Marques Cox , No. 70. Before the Broncos : Cox (6-5, 305 pounds) played six years in college at left tackle, spending time at Northern Illinois (2019-22) and Kentucky (2023-24). After redshirting his freshman year, Cox started 10 of 12 games played on offense and special teams. In the 2020-shortened season, Cox started all six games. In 2021, Cox made All-MAC fourth team, starting all 14 games, and during that season, NIU ranked second in the nation with only 10 sacks allowed. In 2022,