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

10 fighters · / 100
  1. 1
    Carla Esparza
    Carla Esparza
    5-2 as underdog · 71%
    57.4
  2. 2
    Cortney Casey
    Cortney Casey
    3-3 as underdog · 50%
    43.1
  3. 3
    Felice Herrig
    Felice Herrig
    3-3 as underdog · 50%
    43.1
  4. 4
    Jessica Penne
    Jessica Penne
    3-5 as underdog · 38%
    35.9
  5. 5
    Randa Markos
    Randa Markos
    3-7 as underdog · 30%
    30.8
  6. 6
    Jinh Yu Frey
    Jinh Yu Frey
    2-5 as underdog · 29%
    30.1
  7. 7
    Amanda Cooper
    Amanda Cooper
    1-4 as underdog · 20%
    25.7
  8. 8
    Alex Chambers
    Alex Chambers
    1-4 as underdog · 20%
    25.7
  9. 9
    Hannah Cifers
    Hannah Cifers
    1-4 as underdog · 20%
    25.7
  10. 10
    Ashley Yoder
    Ashley Yoder
    1-6 as underdog · 14%
    21.0