- Fighter suffered concussions during judo career
- Rousey stepped away from MMA at age of 29
Ronda Rousey says that a history of concussions put at end to her mixed martial arts career.
Before she came one of the biggest stars in UFC history, Rousey excelled in judo, winning a bronze medal at the 2008 Beijing Olympics. This week, she said concussions suffered during her judo career contributed to her retirement from UFC in 2016 after knockout defeats to Amanda Nunes and Holly Holm.