Jon Jones, 37, widely considered the greatest mixed martial artist of all time, has retired, UFC CEO Dana White announced Saturday and the heavyweight later confirmed on social media, saying the decision came "after a lot of reflection.

Jon Jones has officially retired from mixed martial arts, with UFC president Dana White declaring Tom Aspinall the promotion’s new undisputed heavyweight champion. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.