Sergey Kuzmin has been slammed for posting a sickening video of him knocking a sparring partner out cold.
The Russian heavyweight uploaded a video of himself brutally knocking out his sparring partner on social media.
He appears to land a devastating right hand which immediately flattens his sparring partner who lies motionless on the canvas before receiving medical attention from a coach.
Advert
Kuzmin, meanwhile, walks away to a corner before approaching the stricken boxer.
Needless to say, fans reacted angrily to Kuzmin sharing the video.
"No respect for f**kwits that post videos like this.
Karma will get him back when he gets sparked any of the top5 and major media outlets replay it a thousand times lol," on social media user wrote.
Advert
A second tweeted: "Shows a massive lack of class from him."
A third tweeted: "What happens in the gym should stay in the gym. No class."
Another wrote: "Sparring stays in the gym... this is WEAK."
A fifth added: "Shocking form that. I'm already routing for anyone he faces."
Advert
British heavyweight Dave Allen also had his say on Kuzmin's lack of class.
Kuzmin (15-1) last fought in September 2019 where he suffered his first defeat to Michael Hunter.
Featured Image Credit:Topics: Boxing News, Boxing, Fight News, Sparring