But former heavyweight champion David Haye doesn't believe the fight should be happening at all because in his view, Canelo should have been banned for much longer.
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Tomorrow's second meeting is expected to exceed that number thanks to a wild 12 months which included Alvarez failing a pair of drug tests which forced the original May 5 date to be postponed.
Should Mexico's Canelo come out of the contest victorious, he'll become the first man to defeat Kazakstan native Golovkin and will add the WBA, WBC, and IBO middleweight titles to his list of honours.
Byrd only gave Golovkin the fourth and seventh round of the fight.
"I defeated him at the weigh-in, now it's time for me to defeat him on Saturday".
A rematch between Canelo and Golovkin was subsequently agreed that would have seen the two foes face off on May 5th in a fight perfectly poised to light up boxing's fabled Cinco de Mayo weekend. Alvarez is 49-1-2 with 34 knockouts, and his only loss was five years ago to Mayweather.
"These stories about contaminated meat are nonsense", Golovkin said, claiming to have seen injection marks on Alvarez's body in photos of his opponent.
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Johnny Avello, executive director of the Wynn race and sports books, said if the fight went off on Friday that he'd need the underdog.
Despite two judges scoring the fight extremely closely - 114-114 and 113-115 in favour of Golovkin - judge Adalaide Byrd's scorecard of 118-110 in favour of Alvarez had many fans and pundits alike questioning the validity and reliability of the adjudicating.
A bout that was a thriller first time round.
Canelo Alvarez and Gennady Golovkin will collide once again. He will make his second title defense against Brandon Cook (20-1, 13 KOs), 32, of Toronto, who weighed 153.2 pounds. He has had 13 world title fights and won championships at 154 and 160 pounds.
The South Point sportsbook in Las Vegas said it was seeing good action on both fighters and bumped up its price on Golovkin to -150.
"I feel like there's no buzz about this fight at all", Murray said. But both fighters seem determined not to let it be decided by the ringside judges.
"If he intends to knock out Golovkin, he's going to have to fight him", Sanchez said.
"The error I made was there were some spots in the first fight where he was vulnerable and I didn't take advantage". "Like a real war".