Oklahoma (3-0, 1-0 Big 12) stayed put at No. 5 in the AP top-25 poll after its 37-27 win over Iowa State (0-2, 0-1 Big 12).
The Sooners started the season at No. 7 before rising to No. 6 after their 63-14 win over Florida Atlantic, then No. 5 after their 49-21 win over UCLA.
Coach Lincoln Riley and his team are joined again by Alabama, Georgia, Clemson and Ohio State. This week marks the 10th straight week Oklahoma has been ranked in the top five of the AP or Coaches Poll.
West Virginia (No. 12), Oklahoma State (No. 15) and TCU (No. 17) also made the AP top-25 this week from the Big 12.
Riley and the Sooners host Army (TV on pay-per-view) for a 6 p.m. CT kickoff on Sept. 22.