A video has been circulating this week emanating from the Mayweather gym showing a fighter knocked out during a sparring session that took place in Las Vegas.

Floyd Mayweather was not there himself but plenty of onlookers could be heard in the background.

Mayweather’s gym has become world-famous at this stage but attracted negative publicity a few years back after two fighters appeared on a television show in the gym boxing with rounds or breaks in a brutal spar.

Now this video has surfaced in the same gym:

Shouts of “Whoo!” and “Damn!” clearly audible.

Many fans believe that this was not professional and that instead of shouting what they did should have assisted him in getting back up.

Fight fans have been reacting in their droves since the video dropped: