AP upset archive
Biggest College Football Upsets of 1970
The season's 17 strongest AP-defined upsets, led by the quality of the ranked team defeated and the game-time ranking gap.
17
Upsets ranked
12
Unranked winners
0
Market-confirmed
Top 17 AP upsets
- Major upsetPostseasonNeutral
No. 12 Stanford 27, No. 2 Ohio State 17
AP evidence · primary
Opponent strength 48/50 · Rank gap 20/50
Market evidence · supporting
No betting line · Pregame win chance —
68
AP score
- Major upsetWeek 6Road
Unranked Purdue 26, No. 9 Stanford 14
AP evidence · primary
Opponent strength 34/50 · Rank gap 34/50
Market evidence · supporting
No betting line · Pregame win chance —
68
AP score
- Major upsetWeek 11Home
Unranked Oregon 46, No. 10 Air Force 35
AP evidence · primary
Opponent strength 32/50 · Rank gap 32/50
Market evidence · supporting
No betting line · Pregame win chance —
64
AP score
- Major upsetPostseasonNeutral
No. 6 Notre Dame 24, No. 1 Texas 11
AP evidence · primary
Opponent strength 50/50 · Rank gap 10/50
Market evidence · supporting
No betting line · Pregame win chance —
60
AP score
- Major upsetWeek 14Home
No. 16 USC 38, No. 6 Notre Dame 28
AP evidence · primary
Opponent strength 40/50 · Rank gap 20/50
Market evidence · supporting
No betting line · Pregame win chance —
60
AP score
- Major upsetWeek 12Road
Unranked Georgia 31, No. 11 Auburn 17
AP evidence · primary
Opponent strength 30/50 · Rank gap 30/50
Market evidence · supporting
No betting line · Pregame win chance —
60
AP score
- Major upsetWeek 13Road
Unranked Colorado 49, No. 11 Air Force 19
AP evidence · primary
Opponent strength 30/50 · Rank gap 30/50
Market evidence · supporting
No betting line · Pregame win chance —
60
AP score
- Major upsetWeek 13Home
Unranked California 22, No. 12 Stanford 14
AP evidence · primary
Opponent strength 28/50 · Rank gap 28/50
Market evidence · supporting
No betting line · Pregame win chance —
56
AP score
- Major upsetWeek 6Home
Unranked Kansas State 21, No. 13 Colorado 20
AP evidence · primary
Opponent strength 26/50 · Rank gap 26/50
Market evidence · supporting
No betting line · Pregame win chance —
52
AP score
- Major upsetWeek 8Road
Unranked Southern Miss 30, No. 13 Ole Miss 14
AP evidence · primary
Opponent strength 26/50 · Rank gap 26/50
Market evidence · supporting
No betting line · Pregame win chance —
52
AP score
- UpsetWeek 7Road
Unranked Oregon 41, No. 16 UCLA 40
AP evidence · primary
Opponent strength 20/50 · Rank gap 20/50
Market evidence · supporting
No betting line · Pregame win chance —
40
AP score
- UpsetWeek 13Home
Unranked UCLA 45, No. 17 USC 20
AP evidence · primary
Opponent strength 18/50 · Rank gap 18/50
Market evidence · supporting
No betting line · Pregame win chance —
36
AP score
- UpsetWeek 9Road
No. 11 LSU 17, No. 10 Auburn 9
AP evidence · primary
Opponent strength 32/50 · Rank gap 2/50
Market evidence · supporting
No betting line · Pregame win chance —
34
AP score
- UpsetWeek 10Road
Unranked California 13, No. 18 USC 10
AP evidence · primary
Opponent strength 16/50 · Rank gap 16/50
Market evidence · supporting
No betting line · Pregame win chance —
32
AP score
- UpsetWeek 10Home
Unranked Washington 25, No. 19 Oregon 23
AP evidence · primary
Opponent strength 14/50 · Rank gap 14/50
Market evidence · supporting
No betting line · Pregame win chance —
28
AP score
- UpsetPostseasonNeutral
Unranked Tulane 17, No. 19 Colorado 3
AP evidence · primary
Opponent strength 14/50 · Rank gap 14/50
Market evidence · supporting
No betting line · Pregame win chance —
28
AP score
- UpsetWeek 9Road
No. 19 Alabama 30, No. 18 Houston 21
AP evidence · primary
Opponent strength 16/50 · Rank gap 2/50
Market evidence · supporting
No betting line · Pregame win chance —
18
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.