He refereed the world title bout between Canelo Alvarez and Billy Joe Saunders in 2021 at ... Of the 48 bouts he has refereed ...

The bout was originally due to take place in July, but Tyson had to withdraw from that initial date due to an ulcer flare-up ...

Undisputed (at the time) super middleweight champion Canelo Alvarez returned to score a spirited win over countryman Jaime Munguia before returning in September to outbox Edgar Berlanga.