Oluwatimi transferred to the University of Virginia in 2018 and started 32 consecutive games for the Virginia Cavaliers from 2019 to 2021.[1] In 2021, he was one of the three finalists for the Rimington Trophy, an award presented annually to the best center in the country.[2] He was selected by the Football Writers Association of America as a second-team All-American.[1] Oluwatimi graduated with a degree in economics in 2021.[1]
By the end of the season, Oluwatimi retrieved the Outland Trophy as the best interior lineman in college football and the Rimington Trophy as the best center.[6] He was also named a consensus first-team All-American.[7][8]
Oluwatimi was drafted by the Seattle Seahawks in the fifth round, 154th overall, of the 2023 NFL draft.[11] Oluwatimi played two of three preseason matches that year, being held out of the second due to injury.[12] Oluwatimi began the regular season as the Seahawks' backup center after losing the job to free-agent signing Evan Brown.[13] As a rookie, he appeared in 16 games and started one in the 2023 season.[14]