LAS VEGAS, NV - DECEMBER 30: (R-L) Amanda Nunes of Brazil punches Ronda Rousey in their UFC women's bantamweight championship bout during the UFC 207 event on December 30, 2016 in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
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Ronda Rousey knocked out in 48-second fight
Ronda Rousey was knocked out by Amanda Nunes 48 seconds into the fight.
0:40 • Source: CNN
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LAS VEGAS, NV - DECEMBER 30: (R-L) Amanda Nunes of Brazil punches Ronda Rousey in their UFC women's bantamweight championship bout during the UFC 207 event on December 30, 2016 in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
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Ronda Rousey knocked out in 48-second fight
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LAS VEGAS, NV - MAY 03: Floyd Mayweather Jr. celebrates after defeating Marcos Maidana by majority decision in their WBC/WBA welterweight unification fight at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Harry How/Getty Images)
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NEW YORK, NY - SEPTEMBER 20: UFC President Dana White takes questions from the media during the UFC 229 Press Conference at Radio City Music Hall on September 20, 2018 in New York City. (Photo by Steven Ryan/Getty Images)
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NEW YORK, NY - SEPTEMBER 20: Lightweight champion Khabib Nurmagomedov faces-off with Conor McGregor during the UFC 229 Press Conference at Radio City Music Hall on September 20, 2018 in New York City. (Photo by Steven Ryan/Getty Images)
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LAS VEGAS, NV - AUGUST 25: UFC lightweight champion Conor McGregor poses on the scale during his official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. McGregor will meet boxer Floyd Mayweather Jr. in a super welterweight boxing match at T-Mobile Arena on August 26. (Photo by Ethan Miller/Getty Images)
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