The 21-point halftime deficit overcome by @OU_Football at Baylor was the largest to beat an FBS team that entered the game 9-0 or better since NCAA classification began in 1937. Previous record was 17 PTS by USC vs. 9-0 Notre Dame in 1964 and Nevada vs. 10-0 Boise State in 2010.

— Elias Sports Bureau (@EliasSports) November 17, 2019