AP upset archive
Biggest College Football Upsets of 2015
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
12
Unranked winners
18
Market-confirmed
Top 25 AP upsets
- Historic upsetWeek 8Home
Unranked USC 42, No. 3 Utah 24
View game details →AP evidence · primary
Opponent strength 46/50 · Rank gap 46/50
Market evidence · supporting
Winner closed as a 3-point favorite · Pregame win chance —
92
AP score
- Historic upsetWeek 5Home
No. 25 Florida 38, No. 3 Ole Miss 10
View game details →AP evidence · primary
Opponent strength 46/50 · Rank gap 44/50
Market evidence · supporting
Winner closed as a 6.5-point underdog · Pregame win chance —
90
AP score
- Historic upsetWeek 3Road
Unranked Stanford 41, No. 6 USC 31
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
- Historic upsetWeek 10Home
Unranked Nebraska 39, No. 6 Michigan State 38
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 40/50
Market evidence · supporting
Winner closed as a 4.5-point underdog · Pregame win chance —
80
AP score
- Historic upsetWeek 5Road
Unranked Arizona State 38, No. 7 UCLA 23
View game details →AP evidence · primary
Opponent strength 38/50 · Rank gap 38/50
Market evidence · supporting
Winner closed as a 13-point underdog · Pregame win chance —
76
AP score
- Historic upsetWeek 11Road
Unranked Oregon 38, No. 7 Stanford 36
View game details →AP evidence · primary
Opponent strength 38/50 · Rank gap 38/50
Market evidence · supporting
Winner closed as a 8.5-point underdog · Pregame win chance —
76
AP score
- Major upsetWeek 3Road
No. 15 Ole Miss 43, No. 2 Alabama 37
View game details →AP evidence · primary
Opponent strength 48/50 · Rank gap 26/50
Market evidence · supporting
Winner closed as a 8.5-point underdog · Pregame win chance —
74
AP score
- Major upsetWeek 8Home
Unranked Georgia Tech 22, No. 9 Florida State 16
View game details →AP evidence · primary
Opponent strength 34/50 · Rank gap 34/50
Market evidence · supporting
Winner closed as a 6.5-point underdog · Pregame win chance —
68
AP score
- Major upsetWeek 11Road
Unranked Arkansas 31, No. 9 LSU 14
View game details →AP evidence · primary
Opponent strength 34/50 · Rank gap 34/50
Market evidence · supporting
Winner closed as a 9-point underdog · Pregame win chance —
68
AP score
- Major upsetWeek 6Neutral
Unranked Texas 24, No. 10 Oklahoma 17
View game details →AP evidence · primary
Opponent strength 32/50 · Rank gap 32/50
Market evidence · supporting
Winner closed as a 13.5-point underdog · Pregame win chance —
64
AP score
- Major upsetWeek 11Home
Unranked Arizona 37, No. 10 Utah 30
View game details →AP evidence · primary
Opponent strength 32/50 · Rank gap 32/50
Market evidence · supporting
Winner closed as a 4.5-point underdog · Pregame win chance —
64
AP score
- Major upsetWeek 12Road
No. 9 Michigan State 17, No. 2 Ohio State 14
View game details →AP evidence · primary
Opponent strength 48/50 · Rank gap 14/50
Market evidence · supporting
Winner closed as a 13-point underdog · Pregame win chance —
62
AP score
Full Game · 2015 Ohio State vs. Michigan State (Regular Season Full Game)
- Major upsetWeek 13Home
No. 13 Stanford 38, No. 4 Notre Dame 36
View game details →AP evidence · primary
Opponent strength 44/50 · Rank gap 18/50
Market evidence · supporting
Winner closed as a 2-point underdog · Pregame win chance —
62
AP score
Full Game · 2015 Stanford vs. Notre Dame (Regular Season Full Game)
- Major upsetWeek 11Road
No. 12 Oklahoma 44, No. 4 Baylor 34
View game details →AP evidence · primary
Opponent strength 44/50 · Rank gap 16/50
Market evidence · supporting
Winner closed as a 6-point underdog · Pregame win chance —
60
AP score
- Major upsetWeek 12Road
No. 10 Baylor 45, No. 4 Oklahoma State 35
View game details →AP evidence · primary
Opponent strength 44/50 · Rank gap 12/50
Market evidence · supporting
Winner closed as a 3-point favorite · Pregame win chance —
56
AP score
Full Game · 2015 Oklahoma State vs. Baylor (Regular Season Full Game)
- Major upsetWeek 10Home
No. 12 Oklahoma State 49, No. 5 TCU 29
View game details →AP evidence · primary
Opponent strength 42/50 · Rank gap 14/50
Market evidence · supporting
Winner closed as a 5-point underdog · Pregame win chance —
56
AP score
- Major upsetWeek 14Road
Unranked Texas 23, No. 12 Baylor 17
View game details →AP evidence · primary
Opponent strength 28/50 · Rank gap 28/50
Market evidence · supporting
Winner closed as a 20.5-point underdog · Pregame win chance —
56
AP score
- Major upsetWeek 13Home
No. 15 TCU 28, No. 7 Baylor 21
View game details →AP evidence · primary
Opponent strength 38/50 · Rank gap 16/50
Market evidence · supporting
Winner closed as a 2-point underdog · Pregame win chance —
54
AP score
- Major upsetCFP NATIONAL CHAMPIONSHIP GAME PRES. BY AT&TNeutral
No. 2 Alabama 45, No. 1 Clemson 40
View game details →AP evidence · primary
Opponent strength 50/50 · Rank gap 2/50
Market evidence · supporting
Winner closed as a 5.5-point favorite · Pregame win chance —
52
AP score
Full Game · 2015 Clemson vs. Alabama (National Championship Full Game)
- Major upsetWeek 5Home
No. 12 Clemson 24, No. 6 Notre Dame 22
View game details →AP evidence · primary
Opponent strength 40/50 · Rank gap 12/50
Market evidence · supporting
Winner closed as a 3-point favorite · Pregame win chance —
52
AP score
- Major upsetWeek 7Home
Unranked Memphis 37, No. 13 Ole Miss 24
View game details →AP evidence · primary
Opponent strength 26/50 · Rank gap 26/50
Market evidence · supporting
Winner closed as a 10.5-point underdog · Pregame win chance —
52
AP score
- Major upsetWeek 12Home
Unranked UConn 20, No. 13 Houston 17
View game details →AP evidence · primary
Opponent strength 26/50 · Rank gap 26/50
Market evidence · supporting
Winner closed as a 10-point underdog · Pregame win chance —
52
AP score
- Major upsetWeek 10Home
No. 7 Alabama 30, No. 4 LSU 16
View game details →AP evidence · primary
Opponent strength 44/50 · Rank gap 6/50
Market evidence · supporting
Winner closed as a 7-point favorite · Pregame win chance —
50
AP score
Full Game · 2015 Alabama vs. LSU (Regular Season Full Game)
- Major upsetOUTBACK BOWLNeutral
No. 23 Tennessee 45, No. 12 Northwestern 6
View game details →AP evidence · primary
Opponent strength 28/50 · Rank gap 22/50
Market evidence · supporting
Winner closed as a 9-point favorite · Pregame win chance —
50
AP score
- Major upsetRUSSELL ATHLETIC BOWLNeutral
No. 18 Baylor 49, No. 10 North Carolina 38
View game details →AP evidence · primary
Opponent strength 32/50 · Rank gap 16/50
Market evidence · supporting
Winner closed as a 3.5-point favorite · Pregame win chance —
48
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.