MMA fighter Anthony Johnson dies at 38

An MMA star who had been suffering an unidentified disease passed

away at the age of 38. His reason of death wasn't made known right away.

Johnson's death was officially announced on Sunday

by Bellator MMA, the fighting organisation with which he most recently participated.

Johnson twice competed for a UFC championship

losing both times to Daniel Cormier, throughout the course of a 

15-year MMA career during which he had a 23-6 record.