Marques Cox

Marques Cox ( ; born December 28, 1999) is an American professional football offensive tackle. He played college football for the Northern Illinois Huskies and the Kentucky Wildcats. Cox was signed by the Denver Broncos as an undrafted free agent in 2025. He has also been a member of the Arizona Cardinals.

Early life Cox was born on December 28, 1999, in Peoria, Illinois to Gregory and Ruthie Cox. Playing on both the offensive and defensive lines at Peoria High School, Cox started on an offense that scored a record 805 points, while also totaling 73 tackles, 13 sacks, an interception, and a blocked field goal.

College career

Northern Illinois Cox redshirted during his first year at Northern Illinois, not participating in any games. He started in four games before suffering a season-ending injury in a game against Kentucky. In 2023, he started in all 13 games.

Denver Broncos After going unselected in the 2025 NFL draft, Cox signed with the Denver Broncos as an undrafted free agent on April 27, 2025. He was waived by Denver on August 27 as a part of final preseason roster cuts. On October 21, Cox was re-signed to the team's practice squad. On November 11, he was waived from the practice squad, but was later re-signed on November 24. On December 9, Cox was released from the practice squad.

Arizona Cardinals On December 16, 2025, Cox was signed to the Arizona Cardinals' practice squad. On January 12, 2026, following the end of the Cardinals' season, Cox's practice squad contract expired and he became a free agent.

Denver Broncos (second stint) On January 29, 2026, Cox signed a reserve/futures contract with the Broncos. On May 8, he was waived by the Broncos.

Miami Dolphins On May 21, 2026, Cox signed with the Miami Dolphins. He was waived on August 31.

Personal life Cox has two brothers, Maurice and Martez.