He played 3 seasons as a cornerback, competing in 30 games, while posting 63 tackles, 25 pass deflections, 2 fumble recoveries, 2 blocked kicks and 6 interceptions, including 2 returns for touchdowns (47 and 99 yards). He also had 13 punt returns for 143 yards and one touchdown.[1]
He played only one year in 2017 and was named a starter at cornerback, after being third-string on the depth chart. He registered 21 tackles and 7 pass deflections.[2]
Olumba was signed by the Dallas Cowboys as an undrafted free agent after the 2018 NFL Draft on April 29,[3] after the hiring of Kris Richard as the new defensive backs/passing game coordinator, when the Cowboys changed their defensive philosophy and started to look for taller and more rangy cornerbacks. He was waived on September 1 and signed to the practice squad the next day.[4]
He signed a reserve/future contract with the Cowboys on January 15, 2019.[5] He was released on August 31.[6] He was signed to the practice squad on September 2.[7] He was promoted to the active roster on December 28.[8] He appeared in the season finale against the Washington Redskins as a backup. He was released on March 18, 2020.
Olumba signed with the Cleveland Browns on March 21, 2020.[9] Olumba was waived by the Browns on September 5, 2020.[10] Olumba signed to the Browns' practice squad on January 12, 2021.[11] His practice squad contract with the team expired after the season on January 25, 2021.[12]
On October 3, 2021, he was added to the roster of the Winnipeg Blue Bombers of the CFL. On October 12, 2021, he was released from the practice roster. On January 26, 2022, he was added to the roster. On May 19, 2022, he was released.[15]
On September 1, 2022, he signed with the CFL's Edmonton Elks.[16] He appeared in 2 games and had one interception. On May 10, 2023, he was placed on the retired list.[17]
