Tom Aspinall evaluates possible UFC opponents after Jon Jones retirement claim - Exclusive: The interim heavyweight champion, who insists regular-title holder Jones is retired, said he has a ‘date and

Jon Jones takes aim at Tom Aspinall, questioning his durability and long-term potential in a brutal jab ahead of possible UFC showdown.

As fans continue to wait for any news of a showdown between UFC heavyweight champion Jon Jones and interim champ Tom Aspinall, the Brit has declared himself "undisputed heavyweight champion of the world." That declaration was based on Aspinall's other claim: that Jones was now retired.