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3:00 PM PT — Boxing great Antonio Tarver, who called the Mayweather-Gotti III bout, spoke on the TMZ Sports TV show (which airs weekdays on FS1) to discuss what he observed, from the in-ring fighting to the backstage altercation with Joseline Hernandez.

Floyd Mayweather and John Gotti III’s exhibition contest on Sunday night ended in pure mayhem, with many brawls breaking out after the two boxers finished each other off in the ring.

The atmosphere at FLA Live Arena in Sunrise, Fla., was complete chaos… after Mayweather played with Gotti III for many rounds, the grandson of the New York mafia leader started a fight by attempting to go after the boxing superstar.

According to witness footage, after Gotti III was disqualified for holding in the sixth round, he continued to throw punches at Mayweather… prompting other people to run into the ring to protect the 50-0 fighter.

More than a dozen people were involved… and while the majority of the brawl consisted of pushing and shoving, some punches were thrown.

Mayweather did not appear to be involved in any of the mayhem, returning to his corner away from the chaos, although the brawl lasted several minutes.

Order was eventually restored in the ring… but it didn’t stop some from misbehaving across the arena.

As many made their way back into the locker room area, others were still chasing each other, with more punches thrown.

Things didn’t seem any better in the venue’s bowels… when “Love & Hip Hop” actress Joseline Hernandez fought Big Lex in a brawl.

Cooler heads eventually prevailed, though, and our sources claim Mayweather took the time to reconcile with Gotti III.

TBE and two others from his team are said to have met with the boxer and discussed matters… and there are now negotiations for the two to potentially rematch in the future.