While all eyes were on Saturday's UFC 224 women's bantamweight battle between reigning 135-pound queen Amanda Nunes and Raquel Pennington, fight fans witnessed a relatively significant moment in MMA history when Brazil's Vitor Belfort suffered a devastating, knockout loss to fellow countrymen Lyoto Machida. "Before you retire, you've got to fight me first".
If there was ever a flawless place for Vitor Belfort to retire, then his homeland of Brazil would be the place he would have liked to end his professional career.
Would you like to see UFC officials setup a fight between former UFC champions Lyoto Machida and Michael Bisping next? "It's time for me to think, and take care of my family and endeavours".
This time, it was a front face kick landed by Machida, shades of his bout with Randy Couture in Toronto all those years ago. Lyoto used a front kick to try to feel out his range a bit while Vitor Belfort looked as if he wanted to counterstrike, but really didn't do anything, except throw three combos that didn't land. "Congratulations to Machida and I will put my gloves here".
The UFC also released a short tribute to Belfort on their Twitter account, highlighting the longevity of his wonderful career from stepping into the Octagon at UFC 12, right through to 224.
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Machida showed respect for Belfort in his post-fight interview, and Belfort's career will end with a 26-14-1 record. "All I need is one strike to end the fight", Machida said.
"Michael Bisping, I'm still waiting for you".
"I want to thank to thank the Tristar (team)".
If this proves to be Belfort's last fight, it marks the end of a long, brilliant career.
Earth shaking. Not at all what Belofrt had hoped for - but perhaps this will convince the former light heavyweight champion, who first fought in the UFC at just 19 years old, that retirement is indeed the correct decision.