MMA fighters can lose a fight in a plethora of ways, but it's rare to see a fighter lose without even being hit by an opponent.
Related: This MMA fight had the strangest ending ever
One fighter lost at the Combat Challenge after his leg snapped after he kicked his opponent at a Muay Thai cage fight.
https://www.youtube.com/watch?v=-6myrA8WoqI
So, basically the fighter who was kicked won the fight because his opponent broke his leg seconds later. The opponent barely even reacts to the leg breaking.
It's a gruesome injury to watch, especially seeing how his leg just snaps in half when he steps back. It's brutal to watch, and probably not the best way to win a fight, either.
(h/t Uproxx)
