Denbow accepted a scholarship offer from Southern Methodist University (SMU) in December 2017, and enrolled in January 2018.[1][2] As a sophomore in 2018, he appeared in a total of 12 games, eight of which he played as a starter in. Denbow finished the season with 41 tackles, a half-sack, and 3.5 TFLs.[1] In 2019, Denbow was selected third-team preseason all-conference by Phil Steele, and ended up starting all 13 games.[1] He made 64 total tackles, a half-sack and one forced fumble.[1] He also served as the team's punter,[3] averaging 38.7 yards per attempt with a long of 72 yards that year.[1]
In a COVID-19-shortened 2020 season, the senior Denbow started all 10 games and tallied 27 tackles, 7.0 TFLs and one sack, while also returning one interception for 11 yards.[1] After being given an extra year of eligibility due to the pandemic, Denbow opted to return in 2021 for a super senior season.[1] He finished the year having appeared in all 12 games, all but one as a starter, and recorded 40 total tackles as well as two interceptions.[1]
After going unselected in the 2022 NFL draft, Denbow was signed by the Indianapolis Colts as an undrafted free agent, being given a contract that included $10,000 guaranteed and a $15,000 signing bonus.[5] He survived roster cuts and was named to the final roster in August,[6] but was shortly afterwards placed on injured reserve.[7] He was designated for return on October 26[8] and was activated five days later.[9] Denbow made his NFL debut in the Colts' week nine loss to the New England Patriots, appearing on 16 special teams snaps.[10] He was waived on November 22, and re-signed to the practice squad.[11] He signed a reserve/future contract on January 9, 2023.[12]
On January 8, 2024, Denbow signed a one-year contract extension with the Colts.[13]
Personal life
Denbow is the grandson of Don Denbow, who served as mayor of Corsicana, was a star football player at SMU, and was a first-round draft choice of the Los Angeles Dodgers.[2] He is the son-in-law of Monica Aldama, head cheer coach at Navarro College and focus of the Netflix docuseries Cheer.[14]