Canelo Alvarez really dislikes one of his former opponents.
In his career, the Mexican has beaten an array of quality boxers.
Canelo ruthlessly knocked Amir Khan out cold, finished Rocky Fielding and rendered James Kirkland unconscious.
However, one of his knockout wins was sweeter than all the rest because of the animosity in the lead-up to the fight.
WOW: Canelo Alvarez scored controversial stoppage against a fighter discovered by Sylvester Stallone

Canelo Alvarez claimed he hates Billy Joe Saunders more than anybody else
Canelo Alvarez has exchanged verbal jabs with a lot of his opponents.
However, one really got under his skin.
When asked in an old interview with Dan Canobbio, which of his old foes he hates the most, Canelo only had one answer.
The icon replied: “Billy Joe Saunders. I think he is a bad person, by the way.”
Canelo Alvarez opponent claims he was never the same again after facing legend
While several years have passed since the night Canelo finished Billy Joe Saunders, the Brit hasn’t returned to the ring.
And he’s not the only fighter whose bout with the pound-for-pound star had a lasting impact.
In a fascinating interview, a retired boxer says fighting Canelo changed him forever.