From Mike Tyson’s hero to Canelo Alvarez and Floyd Mayweather – boxing’s greatest multi-weight champions ever

Canelo Alvarez is already a four-weight world champion going into his fight against Dmitry Bivol in Las Vegas – but where does boxing’s pound-for-pound no.1 rank against the all-timers? This isn’t a top 10 of the best boxers ever, as a fighter can prove their greatness by dominating one division (see: Marvelous Marvin Hagler). This […]