The official purses were confirmed to ESPN by the Nevada State Athletic Commission, although both fighters are expected to make upwards of tens of millions more after pay-per-view sales.
The bout was originally slated for May 5th earlier this year.
Gennady Golovkin and Canelo Alvarez had to follow a circus to town the first time they met a year ago.
"If he does that we'll be treated to a great fight".
Golovkin said when Alvarez and his team approached him, "All I could feel was fear from them, and I think they did it so I couldn't look into his eyes and he couldn't look into mine". "I'm angry, but I'm going to use it in my favor for this fight".
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. Despite the draw, Golovkin retained his WBA (Super), WBC, and IBO middleweight titles. "He would have got knocked out the first time, but he decided to make it a track meet". Alvarez tested positive for clenbuterol and blamed it on contaminated meat from his native Mexico.
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"I defeated him at the weigh-in, now it's time for me to defeat him on Saturday".
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. "In order to win a fight you have to want to win a fight".
But both fighters say they are happy with the judges for the rematch, and doubt they will come into play anyway.
Golovkin is unbeaten with a 39-0-1 record, while Alvarez is 49-1-2, with his only loss coming against Floyd Mayweather in 2013.
Alvarez said he got carried away by the atmosphere at the weigh-in. "I know it's going to be a tough fight".
Golovkin has - mostly through his trainer - tried to goad Alvarez into taking more chances in the rematch, claiming the Mexican star ran in the first fight.
A live preview show (9pm-9.30pm) and subsequent build-up to the first fight (11.30pm-12.45am) with BT Sport pundits David Haye, Steve Bunce and Richie Woodhall will be available to all existing BT Sport subscribers on BT Sport 1 HD, BTSport.com (via this link) and the BT Sport app. "It's a real fight, a real war".