Jon Jones, widely considered the greatest mixed martial artist of all time, has retired from competition, UFC CEO Dana White announced on Saturday.
According to White, Jones, 37, informed the promotion of his decision to retire on Friday. The UFC had been working towards booking a heavyweight title unification bout between Jones and interim champion Tom Aspinall, but with Jones's sudden retirement, Aspinall is now elevated to undisputed champion.
"Jon Jones called us last night and retired," White said during a press conference in Azerbaijan. 'Jon Jones is officially retired. Tom Aspinall is the heavyweight champion of the UFC.