We look at the opening betting odds for the main event of the UFC 321 fight card, the UFC heavyweight title fight between champion Tom Aspinall and Ciryl Gane.

Tom Aspinall will look to officially begin his undisputed heavyweight title reign in the UFC 321 main event when he clashes with former interim titleholder Ciryl Gane.

Tom Aspinall's first UFC title challenger is set. UFC CEO Dana White announced on Tuesday that Aspinall will defend the UFC heavyweight championship against two-time former title challenger Ciryl Gane in the main event of UFC 321.