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The original was posted on /r/cfb by /u/Stat_Fanatic_YouTube on 2024-08-16 15:44:31+00:00.


I broke down the top 10 Power 5 (now 4) teams that have won games in which they were the underdogs (based on pregame win probability <50%) and these were the results:

Last 5 Years

Teams # of Upset Wins Average Spread
Georgia Tech 13 3.1
Baylor 12 2.1
Illinois 12 5.6
Purdue 11 1.6
West Virginia 10 2.5
Michigan State 10 1.9
Colorado 10 2.5
UCLA 10 1.8
Kansas State 10 3.1
Boston College 9 1

Last 3 Years

Teams # of Upset Wins Average Spread
Baylor 9 2.2
Michigan State 8 1.4
Georgia Tech 8 2.3
Oklahoma State 7 2.4
Illinois 7 7.1
Purdue 7 4.1
Missouri 6 1.8
Washington State 6 4.8
Northwestern 6 3.7
LSU 6 5.6

Now looking at the conferences with the most upsets and only including conference games, this is what it breaks down to:

Last 5 Years

Conference # of Conference Game Upsets Average Spread
ACC 88 0.4
Big Ten 73 1.7
Pac-12 67 0.6
Big 12 66 1.3
SEC 61 0.7

Last 3 Years

Conference # of Conference Game Upsets Average Spread
ACC 49 0.6
Big 12 46 1.1
Big Ten 42 1.7
SEC 37 2.3
Pac-12 34 1