Nunes made the third defence of her 135lbs title in the main event of UFC 224, which took place in her home country of Brazil in the early hours of the morning. 'If you want to retire you have to fight me first'.
"I live in the US, but I'm from Brazil and I represent Brazil with the flag and my belt", Nunes told the crowd after her sixth straight win.
The 30-year-old laid into her opponent after another takedown in the final round, forcing the referee to step in and end the fight as she hammered at Pennington's head and broke her nose, leaving a crimson stained canvass.
However, those instructions appeared to go in one ear and out the other as she continued to retreat and eat even more brutal leg kicks, which were slowly but surely restricting her movement.
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The American, who was fighting for the first time since defeating Miesha Tate in late 2016, told her corner she was done after round four but was sent back out for more punishment.
UFC213 women's bantamweight champion Amanda Nunes holds her belt as fighters meet with the media at the T-Mobile Arena on Thursday, July 6, 2017.
Nunes was still landing the better strikes on the feet but Pennington hung tough during all of the exchanges despite some swelling starting to emerge on her right eye. She went out there, and she got finished.
Nunes kept up the pressure in the second round as she continuously pushed Pennington back against the cage before opening up with her punching combinations. It might be a bad injury.
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"Unfortunately, tonight (her corner man) failed". "I like and respect these girls so much, especially Tecia". It was hard to me.
"When it comes to finish this bout, something I've dreamed about for so long, I have to do it". Now, we're friends. We're gonna have a beer in celebration, ' Nunes said.
Lyoto Machida reeled back the years with an incredible front kick knockout of fellow UFC legend Vitor Belfort, who retired following the fight. She has since beaten Ronda Rousey and Valentina Shevchenko before her most recent win over Pennington.
Despite it being a successful night for Nunes, whose win is arguably going to fuel further talk of a massive Brazilian super fight against Cris Cyborg, it's Pennington's cornermen that have stolen the headlines for all of the wrong reasons.
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This year marks the first time Azerbaijan, Romania and Russian Federation have failed to qualify for the grand final since 2004. Also in the finals this year are automatically put Portugal as the host country of the Eurovision song contest .