Golovkin, however, turned it up a couple notches in the second round and seemed to declare war on Martirosyan.
It took the 36-year-old Golovkin just two rounds to finish Martirosyan, who was fighting for the first time in almost two years.
Golovkin and Alvarez were supposed to fight again Saturday night at T-Mobile Arena in Las Vegas, where they fought to a controversial 12-round draw September 16. He comes not having fought in nearly two years and lost two of his last three fights, to Erislandy Lara and Jermell Charlo.
"I just want to fight", Golovkin said, and this weekend he will, with an approach that is refreshing for the sport, even if it somewhat less than financially prudent.
Betfair Sportsbook traders want nothing to do with taking Gennady on in this fight and that makes ideal sense.
When is the Golovkin v Martirosyan fight?
"The second round it was true business", said Golovkin. Alvarez will be free to fight once his suspension ends in August.
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However, that was as good as it got for the 36-year-old - Golovkin hitting Martirosyan with a flurry of punches in the second that floored his Armenian-American opponent face first and left him down for the count.
If there is an active fighter with more titles and accolades than Golovkin, it is Cecilia Braekhus (32-0, 9 KO and 22-0 in championship matches.) The Columbian-born boxer who fights out of Norway, is embarking on the 22nd defense of her titles IBF-WBA-WBC-WBO.
Vanes can pull off the upset if Golovkin is not familiar with his style, it would take the ideal gameplan and boxing IQ to dethrone fighter of Golovkin's caliber.
So Golovkin's camp went to work on a late replacement bout for StubHub Center's outdoor ring among Los Angeles' savvy boxing fans. Suddenly, several top middleweights have been seeking fights with "GGG" with the same hunger that Golovkin exhibited when he was chasing the best at 160. His pro record is 36-3-1 but lacks a big-name victory.
Yet, if all goes to plan and the challenge of Martirosyan is handled as comfortably as expected, without injury or drama, then Golovkin may find himself in an ideal position. Nine years.I have 11 belts.
"I've got this opportunity to shock the world". The NSAC suspended Alvarez for six months April 18 for failing two performance-enhancing drug tests in February. Although Golovkin has been sharply critical of Alvarez, the stars still need each other for the most lucrative bout either could make.