AP upset archive
Biggest College Football Upsets of 2013
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
10
Unranked winners
20
Market-confirmed
Top 25 AP upsets
- Historic upsetWeek 1Home
Unranked Clemson 38, No. 5 Georgia 35
View game details →AP evidence · primary
Opponent strength 42/50 · Rank gap 42/50
Market evidence · supporting
Winner closed as a 2-point favorite · Pregame win chance —
84
AP score
- Historic upsetWeek 7Home
Unranked Utah 27, No. 5 Stanford 21
View game details →AP evidence · primary
Opponent strength 42/50 · Rank gap 42/50
Market evidence · supporting
Winner closed as a 9.5-point underdog · Pregame win chance —
84
AP score
- Historic upsetWeek 12Home
Unranked USC 20, No. 5 Stanford 17
View game details →AP evidence · primary
Opponent strength 42/50 · Rank gap 42/50
Market evidence · supporting
Winner closed as a 3-point underdog · Pregame win chance —
84
AP score
- Historic upsetWeek 13Home
Unranked Arizona 42, No. 5 Oregon 16
View game details →AP evidence · primary
Opponent strength 42/50 · Rank gap 42/50
Market evidence · supporting
Winner closed as a 17.5-point underdog · Pregame win chance —
84
AP score
- Historic upsetWeek 8Home
Unranked Ole Miss 27, No. 6 LSU 24
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 40/50
Market evidence · supporting
Winner closed as a 8-point underdog · Pregame win chance —
80
AP score
- Major upsetWeek 7Road
No. 25 Missouri 41, No. 7 Georgia 26
View game details →AP evidence · primary
Opponent strength 38/50 · Rank gap 36/50
Market evidence · supporting
Winner closed as a 10-point underdog · Pregame win chance —
74
AP score
- Major upsetWeek 9Road
No. 20 South Carolina 27, No. 5 Missouri 24
View game details →AP evidence · primary
Opponent strength 42/50 · Rank gap 30/50
Market evidence · supporting
Winner closed as a 2.5-point underdog · Pregame win chance —
72
AP score
- Major upsetWeek 8Road
No. 24 Auburn 45, No. 7 Texas A&M 41
View game details →AP evidence · primary
Opponent strength 38/50 · Rank gap 34/50
Market evidence · supporting
Winner closed as a 12-point underdog · Pregame win chance —
72
AP score
- Major upsetWeek 8Road
Unranked UCF 38, No. 8 Louisville 35
View game details →AP evidence · primary
Opponent strength 36/50 · Rank gap 36/50
Market evidence · supporting
Winner closed as a 17.5-point underdog · Pregame win chance —
72
AP score
- Major upsetWeek 15Neutral
No. 10 Michigan State 34, No. 2 Ohio State 24
View game details →AP evidence · primary
Opponent strength 48/50 · Rank gap 16/50
Market evidence · supporting
Winner closed as a 6.5-point underdog · Pregame win chance —
64
AP score
- Major upsetWeek 15Road
No. 18 Oklahoma 33, No. 6 Oklahoma State 24
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 24/50
Market evidence · supporting
Winner closed as a 10.5-point underdog · Pregame win chance —
64
AP score
- Major upsetWeek 13Home
No. 11 Oklahoma State 49, No. 3 Baylor 17
View game details →AP evidence · primary
Opponent strength 46/50 · Rank gap 16/50
Market evidence · supporting
Winner closed as a 13-point underdog · Pregame win chance —
62
AP score
Full Game · 2013 Oklahoma State vs. Baylor (Regular Season Full Game)
- Major upsetALLSTATE SUGAR BOWLNeutral
No. 11 Oklahoma 45, No. 3 Alabama 31
View game details →AP evidence · primary
Opponent strength 46/50 · Rank gap 16/50
Market evidence · supporting
Winner closed as a 16-point underdog · Pregame win chance —
62
AP score
Full Game · 2013 Alabama vs. Oklahoma (Bowl Full Game)
- Major upsetWeek 5Home
Unranked West Virginia 30, No. 11 Oklahoma State 21
View game details →AP evidence · primary
Opponent strength 30/50 · Rank gap 30/50
Market evidence · supporting
Winner closed as a 21-point underdog · Pregame win chance —
60
AP score
- Major upsetWeek 8Home
Unranked Tennessee 23, No. 11 South Carolina 21
View game details →AP evidence · primary
Opponent strength 30/50 · Rank gap 30/50
Market evidence · supporting
Winner closed as a 7-point underdog · Pregame win chance —
60
AP score
- Major upsetTOSTITOS FIESTA BOWLNeutral
No. 15 UCF 52, No. 6 Baylor 42
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 18/50
Market evidence · supporting
Winner closed as a 16.5-point underdog · Pregame win chance —
58
AP score
Full Game · 2013 Baylor vs. UCF (Fiesta Bowl Full Game)
- Major upsetWeek 14Home
No. 4 Auburn 34, No. 1 Alabama 28
View game details →AP evidence · primary
Opponent strength 50/50 · Rank gap 6/50
Market evidence · supporting
Winner closed as a 9.5-point underdog · Pregame win chance —
56
AP score
Full Game · 2013 Auburn vs. Alabama (Regular Season Full Game)
- Major upsetWeek 11Home
No. 6 Stanford 26, No. 2 Oregon 20
View game details →AP evidence · primary
Opponent strength 48/50 · Rank gap 8/50
Market evidence · supporting
Winner closed as a 9.5-point underdog · Pregame win chance —
56
AP score
Full Game · 2013 Stanford vs. Oregon (Regular Season Full Game)
- Major upsetWeek 2Home
Unranked Miami 21, No. 12 Florida 16
View game details →AP evidence · primary
Opponent strength 28/50 · Rank gap 28/50
Market evidence · supporting
Winner closed as a 2-point underdog · Pregame win chance —
56
AP score
- Major upsetWeek 7Neutral
Unranked Texas 36, No. 12 Oklahoma 20
View game details →AP evidence · primary
Opponent strength 28/50 · Rank gap 28/50
Market evidence · supporting
Winner closed as a 13-point underdog · Pregame win chance —
56
AP score
- Major upsetWeek 13Home
No. 18 LSU 34, No. 9 Texas A&M 10
View game details →AP evidence · primary
Opponent strength 34/50 · Rank gap 18/50
Market evidence · supporting
Winner closed as a 4-point favorite · Pregame win chance —
52
AP score
- Major upsetWeek 8Road
No. 5 Florida State 51, No. 3 Clemson 14
View game details →AP evidence · primary
Opponent strength 46/50 · Rank gap 4/50
Market evidence · supporting
Winner closed as a 3-point favorite · Pregame win chance —
50
AP score
Full Game · 2013 Clemson vs. Florida State (Regular Season Full Game)
- Major upsetWeek 2Home
No. 11 Georgia 41, No. 6 South Carolina 30
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 10/50
Market evidence · supporting
Winner closed as a 4.5-point favorite · Pregame win chance —
50
AP score
- Major upsetWeek 14Home
No. 10 South Carolina 31, No. 6 Clemson 17
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 8/50
Market evidence · supporting
Winner closed as a 6-point favorite · Pregame win chance —
48
AP score
Full Game · 2013 South Carolina vs. Clemson (Regular Season Full Game)
- Major upsetDISCOVER ORANGE BOWLNeutral
No. 12 Clemson 40, No. 7 Ohio State 35
View game details →AP evidence · primary
Opponent strength 38/50 · Rank gap 10/50
Market evidence · supporting
Winner closed as a 4-point underdog · Pregame win chance —
48
AP score
Full Game · 2013 Ohio State vs. Clemson (Orange Bowl Full Game)
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.