Jones, widely regarded as one of the greatest fighters of all time, has been involved in a prolonged standoff for the past year with UFC heavyweight interim champion Tom Aspinall. While Jones remained noncommittal,

His post comes after UFC president Dana White announced earlier Saturday that Jones officially retired from the promotion, making Tom Aspinall the new heavyweight champion. "Jon Jones called us last night and retired," White told reporters at a press conference. "Jon Jones is officially retired. Tom Aspinall is the heavyweight champion of the UFC."

Jon Jones has retired according to Dana White. Jones, the longtime UFC heavyweight champion, called the UFC on Friday night to tell them he was walking away, White revealed at a press conference on Saturday.