Much has also been made of the judges for the upcoming super fight, after the performance of the officials came in for ridicule and criticism after their first fight in September of previous year.
The two legendary fighters are set to go head-to-head once again on Saturday night after their much-debated and extremely controversial first fight, which ended in a split draw decision.
But in March, Canelo sent shockwaves through the sporting world by confirming he had tested positive for clenbuterol - a banned substance believed to help to strip fat and build lean muscle - in two separate tests administered in February.
"I just want him (Alvarez) to do what he says he will do and try for a knockout", said Golovkin's trainer, Abel Sanchez. "It's going to be an exciting fight and big victory".
Because of the controversy surrounding the drug tests and the scorecards from the first fight, which most believe Golovkin (38-0-1, 34 KOs) had won, the second fight has become a grudge match thanks to GGG's outspoken comments regarding his anger. It sparked a debate that left Golovkin openly questioning an excuse about contaminated meat in Mexico and whether Alvarez was clean for their first fight.
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Alvarez, an excellent counter puncher and boxer, also has the advantage of having gone 12 rounds with Triple G and understanding how to avoid getting hit with his biggest punches.
Alvarez said he got carried away by the atmosphere at the weigh-in. But both fighters seem determined not to let it be decided by the ringside judges.
Alvarez is 49-1-2 with 34 knockouts in his career.
"I had a great experience from the first fight", Golovkin said.
"Tomorrow is a real war".
"I feel like there's no buzz about this fight at all", Murray said.
The two largest bets on the fight at the Westgate SuperBook in Las Vegas as of Friday afternoon - $20,000 and $18,000 - were both on Alvarez, driving the price on the underdog to as low as +115 at one point Thursday, and Caesars Palace said for every one bet they had taken on Golovkin, there were four on Alvarez. "He would have got knocked out the first time, but he decided to make it a track meet".