CANELO ALVAREZ, Gennady Glovkin "can't stand one another" as Eddie Hearn described their trio as 'the biggest boxing fight'.
In 2017, Canelo was awarded the blessing of not losing and the pair drew.
Gennady Golovkin and Canelo Alvarez drew in 2017
The Mexican star emerged victorious in the rematch one year later in another Las Vegas classic.
Four years later, the pair is ready for a blockbuster trilogy in September. As long as they win their respectable interim fights.
FightHype's Promoter Hearn said: "I am telling you now that the build-up for Canelo against GGG 3 is going to be incredible. They cannot stand each other.
"In the past they didn't want to say anything. But now they don’t care what they say."
"I want both men to look great as we build up towards the biggest boxing fight."
Canelo, 31 years old, will make his first return to Vegas on May 7, where he will challenge Dmitry Bivol (also 31, of WBA).
Free Bets: Get more than PS2,000 in NEW CUSTOMER DEALSGolovkin (39), will be facing Ryota Murata (36) in a middleweight unification in Japan on April 9.
Both sides have verbally agreed that they will renew their rivalry later in the year, and Canelo acknowledged that there is bad blood.
He replied, "Yeah. He speaks a lot of ***. We'll see what he said.
"First, let's win May 7th. This fight is my sole focus.
"It's not an easier fight, it's hard for me, 100 percent on this fight, and then we'll discuss that fight."
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