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AP upset archive

Biggest College Football Upsets of 1990

The season's 25 strongest AP-defined upsets, led by the quality of the ranked team defeated and the game-time ranking gap.

25

Upsets ranked

14

Unranked winners

0

Market-confirmed

Top 25 AP upsets

  1. Major upsetWeek 7Road

    Unranked Stanford 36, No. 8 Notre Dame 31

    AP evidence · primary

    Opponent strength 36/50 · Rank gap 36/50

    Market evidence · supporting

    No betting line · Pregame win chance

    72

    AP score

  2. Major upsetWeek 12Road

    Unranked UCLA 25, No. 10 Washington 22

    AP evidence · primary

    Opponent strength 32/50 · Rank gap 32/50

    Market evidence · supporting

    No betting line · Pregame win chance

    64

    AP score

  3. Major upsetWeek 8Road

    No. 24 Michigan State 28, No. 10 Michigan 27

    AP evidence · primary

    Opponent strength 32/50 · Rank gap 28/50

    Market evidence · supporting

    No betting line · Pregame win chance

    60

    AP score

  4. Major upsetWeek 9Road

    Unranked Alabama 9, No. 11 Tennessee 6

    AP evidence · primary

    Opponent strength 30/50 · Rank gap 30/50

    Market evidence · supporting

    No betting line · Pregame win chance

    60

    AP score

  5. Major upsetWeek 6Home

    No. 22 Oregon 32, No. 11 BYU 16

    AP evidence · primary

    Opponent strength 30/50 · Rank gap 22/50

    Market evidence · supporting

    No betting line · Pregame win chance

    52

    AP score

  6. Major upsetWeek 15Home

    Unranked Hawai'i 59, No. 13 BYU 28

    AP evidence · primary

    Opponent strength 26/50 · Rank gap 26/50

    Market evidence · supporting

    No betting line · Pregame win chance

    52

    AP score

  7. Major upsetPostseasonNeutral

    No. 25 Texas A&M 65, No. 13 BYU 14

    AP evidence · primary

    Opponent strength 26/50 · Rank gap 24/50

    Market evidence · supporting

    No betting line · Pregame win chance

    50

    AP score

  8. Major upsetPostseasonNeutral

    No. 4 Miami 46, No. 3 Texas 3

    AP evidence · primary

    Opponent strength 46/50 · Rank gap 2/50

    Market evidence · supporting

    No betting line · Pregame win chance

    48

    AP score

  9. Major upsetWeek 13Road

    No. 11 Penn State 24, No. 7 Notre Dame 21

    AP evidence · primary

    Opponent strength 38/50 · Rank gap 8/50

    Market evidence · supporting

    No betting line · Pregame win chance

    46

    AP score

  10. UpsetWeek 12Road

    No. 21 Ohio State 27, No. 13 Iowa 26

    AP evidence · primary

    Opponent strength 26/50 · Rank gap 16/50

    Market evidence · supporting

    No betting line · Pregame win chance

    42

    AP score

  11. UpsetWeek 13Road

    Unranked Maryland 35, No. 17 Virginia 30

    AP evidence · primary

    Opponent strength 18/50 · Rank gap 18/50

    Market evidence · supporting

    No betting line · Pregame win chance

    36

    AP score

  12. UpsetWeek 14Home

    Unranked Minnesota 31, No. 18 Iowa 24

    AP evidence · primary

    Opponent strength 16/50 · Rank gap 16/50

    Market evidence · supporting

    No betting line · Pregame win chance

    32

    AP score

  13. UpsetWeek 6Home

    Unranked LSU 17, No. 19 Texas A&M 8

    AP evidence · primary

    Opponent strength 14/50 · Rank gap 14/50

    Market evidence · supporting

    No betting line · Pregame win chance

    28

    AP score

  14. UpsetWeek 8Home

    No. 19 Texas 14, No. 16 Oklahoma 13

    AP evidence · primary

    Opponent strength 20/50 · Rank gap 6/50

    Market evidence · supporting

    No betting line · Pregame win chance

    26

    AP score

  15. UpsetPostseasonNeutral

    Unranked Colorado State 32, No. 20 Oregon 31

    AP evidence · primary

    Opponent strength 12/50 · Rank gap 12/50

    Market evidence · supporting

    No betting line · Pregame win chance

    24

    AP score

  16. UpsetWeek 14Home

    No. 22 Oklahoma 45, No. 19 Nebraska 10

    AP evidence · primary

    Opponent strength 14/50 · Rank gap 6/50

    Market evidence · supporting

    No betting line · Pregame win chance

    20

    AP score

  17. UpsetWeek 9Road

    Unranked Iowa State 33, No. 22 Oklahoma 31

    AP evidence · primary

    Opponent strength 8/50 · Rank gap 8/50

    Market evidence · supporting

    No betting line · Pregame win chance

    16

    AP score

  18. UpsetWeek 9Road

    No. 23 Arizona 35, No. 21 USC 26

    AP evidence · primary

    Opponent strength 10/50 · Rank gap 4/50

    Market evidence · supporting

    No betting line · Pregame win chance

    14

    AP score

  19. UpsetPostseasonNeutral

    No. 22 Michigan State 17, No. 21 USC 16

    AP evidence · primary

    Opponent strength 10/50 · Rank gap 2/50

    Market evidence · supporting

    No betting line · Pregame win chance

    12

    AP score

  20. UpsetWeek 5Road

    Unranked Ole Miss 21, No. 23 Arkansas 17

    AP evidence · primary

    Opponent strength 6/50 · Rank gap 6/50

    Market evidence · supporting

    No betting line · Pregame win chance

    12

    AP score

  21. UpsetPostseasonNeutral

    Unranked Syracuse 28, No. 23 Arizona 0

    AP evidence · primary

    Opponent strength 6/50 · Rank gap 6/50

    Market evidence · supporting

    No betting line · Pregame win chance

    12

    AP score

  22. UpsetPostseasonNeutral

    Unranked NC State 31, No. 23 Southern Miss 27

    AP evidence · primary

    Opponent strength 6/50 · Rank gap 6/50

    Market evidence · supporting

    No betting line · Pregame win chance

    12

    AP score

  23. UpsetPostseasonNeutral

    Unranked Air Force 23, No. 24 Ohio State 11

    AP evidence · primary

    Opponent strength 4/50 · Rank gap 4/50

    Market evidence · supporting

    No betting line · Pregame win chance

    8

    AP score

  24. UpsetWeek 12Road

    No. 25 Southern Miss 13, No. 24 Auburn 12

    AP evidence · primary

    Opponent strength 4/50 · Rank gap 2/50

    Market evidence · supporting

    No betting line · Pregame win chance

    6

    AP score

  25. UpsetWeek 6Road

    Unranked California 30, No. 25 Arizona 25

    AP evidence · primary

    Opponent strength 2/50 · Rank gap 2/50

    Market evidence · supporting

    No betting line · Pregame win chance

    4

    AP score

How the ranking works

An upset qualifies only when the winner was unranked or ranked below an AP Top 25 opponent at kickoff. Regular-season games use that game's AP poll week; postseason games use the last regular-season AP poll before bowl and playoff results. The 100-point score splits evenly between defeated-opponent strength and ranking gap. Betting lines and pregame win probability are shown separately as supporting evidence and never change the AP score, so missing market data cannot lower a game.