Sugar Ray Leonard has weighed in on Saul 'Canelo' Alvarez' upcoming undisputed title defence against Terence Crawford.

Oleksandr Usyk rematches Daniel Dubois in Wembley stadium, but after the bout win or lose the Ukrainian great should retire.

Leonard, who was retired by Hector Camacho, was awarded a TKO victory over McKnight in the seventh round, though fans and ...