MMA Index
Proprietary metrics · Upset Index

Upset Index

The giant-killers board — how often a fighter WINS as the betting underdog (positive pre-fight moneyline), across their UFC career. Underdog win rate shrunk toward the corpus mean (~33%) so small samples stay honest, scaled 0–100. Min 5 underdog bouts.

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Leaderboard

50 fighters · / 100
  1. 1
    Amanda Nunes
    Amanda Nunes
    6-1 as underdog · 86%
    66.5
  2. 2
    Ben Rothwell
    Ben Rothwell
    5-1 as underdog · 83%
    63.1
  3. 3
    Rani Yahya
    Rani Yahya
    6-2 as underdog · 75%
    60.9
  4. 4
    Michael Trizano
    Michael Trizano
    4-1 as underdog · 80%
    59.0
  5. 5
    James Krause
    James Krause
    4-1 as underdog · 80%
    59.0
  6. 6
    Krzysztof Jotko
    Krzysztof Jotko
    4-1 as underdog · 80%
    59.0
  7. 7
    Carla Esparza
    Carla Esparza
    5-2 as underdog · 71%
    57.4
  8. 8
    Yoel Romero
    Yoel Romero
    6-3 as underdog · 67%
    56.2
  9. 9
    Sean Pierson
    Sean Pierson
    4-2 as underdog · 67%
    53.1
  10. 10
    Alejandro Perez
    Alejandro Perez
    4-2 as underdog · 67%
    53.1
  11. 11
    Kenny Robertson
    Kenny Robertson
    4-2 as underdog · 67%
    53.1
  12. 12
    CP
    Constantinos Philippou
    5-3 as underdog · 63%
    52.6
  13. 13
    Carlos Condit
    Carlos Condit
    5-3 as underdog · 63%
    52.6
  14. 14
    Abel Trujillo
    Abel Trujillo
    5-3 as underdog · 63%
    52.6
  15. 15
    Daniel Kelly
    Daniel Kelly
    6-4 as underdog · 60%
    52.2
  16. 16
    Tim Boetsch
    Tim Boetsch
    7-6 as underdog · 54%
    48.9
  17. 17
    Raquel Pennington
    Raquel Pennington
    6-5 as underdog · 55%
    48.7
  18. 18
    Derek Brunson
    Derek Brunson
    5-4 as underdog · 56%
    48.6
  19. 19
    Chan Sung Jung
    Chan Sung Jung
    5-4 as underdog · 56%
    48.6
  20. 20
    Paul Felder
    Paul Felder
    5-4 as underdog · 56%
    48.6
  21. 21
    Anthony Perosh
    Anthony Perosh
    5-4 as underdog · 56%
    48.6
  22. 22
    Stipe Miocic
    Stipe Miocic
    4-3 as underdog · 57%
    48.3
  23. 23
    Rick Story
    Rick Story
    4-3 as underdog · 57%
    48.3
  24. 24
    Martin Kampmann
    Martin Kampmann
    4-3 as underdog · 57%
    48.3
  25. 25
    Bryan Caraway
    Bryan Caraway
    4-3 as underdog · 57%
    48.3
  26. 26
    Eddie Alvarez
    Eddie Alvarez
    4-3 as underdog · 57%
    48.3
  27. 27
    John Lineker
    John Lineker
    3-2 as underdog · 60%
    47.9
  28. 28
    Maryna Moroz
    Maryna Moroz
    3-2 as underdog · 60%
    47.9
  29. 29
    Zak Cummings
    Zak Cummings
    3-2 as underdog · 60%
    47.9
  30. 30
    Claudio Silva
    Claudio Silva
    3-2 as underdog · 60%
    47.9
  31. 31
    Steven Siler
    Steven Siler
    3-2 as underdog · 60%
    47.9
  32. 32
    Leonardo Santos
    Leonardo Santos
    3-2 as underdog · 60%
    47.9
  33. 33
    Akira Corassani
    Akira Corassani
    3-2 as underdog · 60%
    47.9
  34. 34
    Pablo Garza
    Pablo Garza
    3-2 as underdog · 60%
    47.9
  35. 35
    Brian Ebersole
    Brian Ebersole
    3-2 as underdog · 60%
    47.9
  36. 36
    Marcus Brimage
    Marcus Brimage
    3-2 as underdog · 60%
    47.9
  37. 37
    Corey Anderson
    Corey Anderson
    3-2 as underdog · 60%
    47.9
  38. 38
    Jennifer Maia
    Jennifer Maia
    3-2 as underdog · 60%
    47.9
  39. 39
    Ricky Glenn
    Ricky Glenn
    3-2 as underdog · 60%
    47.9
  40. 40
    TJ Grant
    TJ Grant
    3-2 as underdog · 60%
    47.9
  41. 41
    Nina Nunes
    Nina Nunes
    3-2 as underdog · 60%
    47.9
  42. 42
    Darren Till
    Darren Till
    3-2 as underdog · 60%
    47.9
  43. 43
    Diego Sanchez
    Diego Sanchez
    8-8 as underdog · 50%
    46.6
  44. 44
    Mark Hunt
    Mark Hunt
    5-5 as underdog · 50%
    45.1
  45. 45
    Glover Teixeira
    Glover Teixeira
    5-5 as underdog · 50%
    45.1
  46. 46
    CB Dollaway
    CB Dollaway
    5-5 as underdog · 50%
    45.1
  47. 47
    Uriah Hall
    Uriah Hall
    5-5 as underdog · 50%
    45.1
  48. 48
    Pedro Munhoz
    Pedro Munhoz
    5-5 as underdog · 50%
    45.1
  49. 49
    Alexis Davis
    Alexis Davis
    4-4 as underdog · 50%
    44.3
  50. 50
    Dennis Siver
    Dennis Siver
    4-4 as underdog · 50%
    44.3