The former two-time Olympic judo champion dominated former champion and combat sports legend Holly Holm, beating Holm with a rear-naked choke submission at 1 minute, 47 seconds of the second round ...

The powerful move put Arai in the gold medal match, meaning Japan is guaranteed yet another judo medalist on home soil. Arai, the No. 3 seed in the 70kg class, will meet Austria's Michaela Polleres ...

But their aims and approaches to combat are very different. Judo is kind of like wrestling. It uses throws, joint locks and chokes. The aim is to pin or immobilize your opponent. Karate is more ...