According to this website, Oklahoma's SOS was #14. Alabama #2, Clemson #13, Notre Dame #25. Georgia is #1.OU played 2 top 25 teams the entire year and then a whole bunch of scrub team. What was OUs SOS? It couldn’t have been very good
https://www.teamrankings.com/college-football/ranking/schedule-strength-by-other
But here's another ranking that seems to go more in depth that has SOS for Alabama at #17, Notre Dame at #61, Clemson at #76 and Oklahoma at #68. LSU is #1.
https://www.sbnation.com/college-fo...ll-2018-strength-of-schedule-week-14-rankings