'I can't believe my eyes' - The stunned reaction to Ronda Rousey's defeat

Holly Holm is the new UFC women’s bantamweight champion.

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RONDA ROUSEY SUFFERED the first defeat of her MMA career overnight when she was beaten by Holly Holm via second-round KO at UFC 193 in Melbourne.

The result is being described by many as the biggest upset in the history of the sport. Here’s how some other fighters reacted…

Holly Holm is the baddest women on the planet!!! #UFC193
— Cub Swanson (@CubSwanson) November 15, 2015

Cub Swanson / Twitter

Well the world just officially got turned upside down. #UFC193
— Michael Chiesa (@MikeMav22) November 15, 2015

Michael Chiesa / Twitter

Oh shit!!!!!! @UFC @_HOLLYHOLM @RondaRousey
— Alpha Cat Zingano (@CatZingano) November 15, 2015

Alpha Cat Zingano / Twitter

Omg!! That's the biggest upset in ufc history!!
— James Vick (@JamesVickMMA) November 15, 2015

James Vick / Twitter

And the world @ufc has just blown up
— Big Ben Rothwell (@RothwellFighter) November 15, 2015

Big Ben Rothwell / Twitter

OMG Holly Holm. Upset of the century @ufc
— Felice Herrig (@feliceherrig) November 15, 2015

Felice Herrig / Twitter

I can't believe my eyes wow.
— Ruslan Magomedov (@MagomedovUFC) November 15, 2015

Ruslan Magomedov / Twitter

WOW what a nasty kick. Perfect fight for holly. Ronda was done from the start! Unbelievable just came true. Congrats @_HOLLYHOLM
— Michael Johnson (@Menace155) November 15, 2015

Michael Johnson / Twitter

No freaking way that just happened. Unbelievable!!! #ufc193 #believeinyourself
— Colby Covington (@ColbyCovMMA) November 15, 2015

Colby Covington / Twitter

Historic performance from @_HOLLYHOLM congrats to the new champion @ufc #UFC193
— player/coach (@CMPunk) November 15, 2015

Coach / Twitter

'I can't believe my eyes' - The stunned reaction to Ronda Rousey's defeat

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Stunning UFC upset sees Ronda Rousey knocked out by Holly Holm

Gian Villante’s perfect KO was one of the main highlights from UFC 193