...recent memory.
Special Teams scores- KoRs, Punt return, Pick 6s, fumble scoop and scores... and honestly, more than anything, BYU lead the entire NATION in Int's this year, meaning a bunch of short fields (setting up easy offensive scores) were created which also skews offensive production output.
When I analyzed this after about 7 games, roughly 1/3 of the points were attributed to the Defense