Air Force 8-4 (.667) (BYU won 30-25)
Hawaii 7-4 (.636) (BYU won 18-13)

Wyoming 6-6 (.500) (BYU won 41-38)
Utah 6-5-1 (.500) (BYU won 24-14)
Baylor 5-6 (.455) (BYU won 47-13)
Tulsa 4-7 (.364) (BYU won 38-15)
New Mexico 4-8 (.333) (BYU won 48-0)
San Diego St 4-7-1 (.333) (BYU won 34-3)
Pittsburgh 3-7-1 (.273) (BYU won 20-14)
Colorado St 3-8 (.273) (BYU won 52-9)
UTEP 2-9 (.182) (BYU won 42-9)
Utah St 1-10 (.091) (BYU won 38-13)

That's a bunch of REALLY bad teams. 7 of 12 opponents won no more than 1/3 of their games. BYU 5 worst opponents combined for as many wins as BYU had. Honestly, that's a garbage schedule of atrocious teams.