The 20 Biggest Upsets in MMA History
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Top 20 Biggest Upsets in MMA History According to the Odds

This article updated each time a new upset breaks the top 20, whether it be one of the biggest UFC upsets or in MMA period. Each fight includes the opening odds, peak odds and the closing line, plus a brief description of the situation heading into it and a description of how it played out. Before we get into the thick of it, here are a some important details regarding the methodology used for the list:

  • For each fight I listed the opening, closing and peak lines, but all rankings are based solely on the closing line.

  • To make sure all numbers listed are the most accurate, the odds listed are via the three largest sportsbooks: Bookmaker, 5Dimes and Bovada. The book used for each line is specified each time.

  • The opening odds will be via whichever book originated the line.

  • The closing line will be via whichever book out of the three had the highest odds on the underdog.

  • The peak line will be via whichever book had the highest peak odds underdog peak, regardless if they were the one who opened it or where the book with the highest closing line.


Click an upset from the list below to view it’s slide featuring more information such as opening odds, peak odds, closing odds and a description of the fight. Or you can scroll through the slides one-by-one by clicking the left and right arrows at the bottom pr top of the page.

  1. (+1350) Rameau Thierry Sokoudjou upsets Antonio Rogerio Nogueira
  2. (+1000) Zac Riley upsets Hugo Viana
  3. (+975) Emanuel Newton upsets Muhammed “King Mo” Lawal
  4. (+925) Larue Burley upsets Bubba Jenkins
  5. (+900) Joe Taimanglo upsets Darrion Caldwell
  6. (+800) Will Brooks upsets Michael Chandler
  7. (+765) T.J. Dillashaw upsets Renan Barao
  8. (+750) Joey Beltran upsets Rolles Gracie
  9. (+735) Johnny Eduardo upsets Eddie Wineland
  10. (+725) Frankie Saenz upsets Iuri Alcantara
  11. (+725) Frankie Edgar upsets B.J. Penn
  12. (+700) Matt Serra upsets Georges St-Pierre
  13. (+700) Chad Griggs upsets Bobby Lashley
  14. (+700) Sergey Golyaev upsets Takanori Gomi
  15. (+700) Rafael Carvalho upsets Brandon Halsey
  16. (+660) Thiago Santos upsets Ronny Markes
  17. (+650) Mike Wilkinson upsets Niklas Backstrom
  18. (+635) Holly Holm upsets Ronda Rousey
  19. (+600) Herica Tiburcio upsets Michelle Waterson
  20. (+600) Zach Freeman upsets Aaron Pico

Go to the next slide to start with upset #20

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