FOTOS: El nuevo derrumbe de Ronda Rousey

Ronda Rousey enters the octagon to face Amanda Nunes for the women’s bantamweight championship at UFC 207.

Amanda Nunes throws a left against Ronda Rousey during their women’s bantamweight championship fight at UFC 207.

Amanda Nunes puts Ronda Rousey on the defensive during their bantamweight title bout on Friday night at UFC 207.

Amanda Nunes lands an overhand right to an already battered face of Ronda Rousey during their bantamweight title fight at UFC 207.

Amanda Nunes connects with an overhand right against Ronda Rousey during their women’s bantamweight championship fight at UFC 207.

Ronda Rousey prepares to kick Amanda Nunes during their women’s bantamweight title bout at UFC 207.

Ronda Rousey tries to gather herself after losing in 48 seconds to Amanda Nunes in the women’s bantamweight title fight at UFC 207.

Amanda Nunes, right, hugs Ronda Rousey after beating the former champion in the first round of their women’s bantamweight championship bout at UFC 207.

Amanda Nunes, left, celebrates her victory over Ronda Rousey, right, after their women’s bantamweight title fight at UFC 207.  (John Locher / Associated Press)

Amanda Nunes exits the octagon after her victory over Ronda Rousey at UFC 207.

Cody Garbrandt kicks Dominick Cruz during their bantamweight championship bout at UFC 207.

Dominick Cruz kicks Cody Garbrand during their UFC bantamweight title fight at UFC 207.  (Christian Petersen / Getty Images)

Cody Garbrandt strikes a bloodied Dominick Cruz during their bantamweight championship fight at UFC 207.

Cody Garbrandt, right, celebrates as he receives his belt after defeating Dominick Cruz, left, in a bantamweight championship bout at UFC 207.

TJ Dillashaw hits John Lineker with an overhand right during their bantamweight bout at UFC 207.

TJ Dillashaw, left, throws a kick to John Lineker during a bantamweight bout at UFC 207.

John Lineker, left, and TJ Dillashaw trade blow during their bantamweight bout at UFC 207.

TJ Dillashaw exits the Octagon after defeating John Lineker in their bantamweight bout at UFC 207.

Dong Hyun Kim, left, and Tarec Saffiedine trade punches during their welterweight bout at UFC 207.

Tarec Saffiedine throws a kick at Dong Hyun Kim during their welterweight bout at UFC 207.

Dong Hyun Kim and Tarec Saffiedine exchange punches during their UFC 207 welterweight fight.

Dong Hyun Kim, left, celebrates after defeating Tarec Saffiedine in a welterweight fight at UFC 207.

Ray Borg punches Louis Smolka during their flyweight bout at UFC 207.

Ray Borg puts a choke hold on Louis Smolka during their flyweight fight at UFC 207.

Ray Borg (right) reacts to his victory over Louis Smolka (left) after their flyweight bout at UFC 207.

Antonio Carlos Junior kicks Marvin Vettori during their middleweight bout at UFC 207.

Antonio Carlos Junior throws a right-handed punch at Marvin Vettori during their middleweight bout at UFC 207.

Johny Hendricks, left, and Neil Magny trade punches during their welterweight bout at UFC 207.

Johny Hendricks (top) punches Neil Magny during their welterweight bout at UFC 207.

Tim Means (blue trunks) takes down Alex Oliveira during their welterweight bout at UFC 207.

Tim Means (blue trunks) grapples with Alex Oliveira after taking him down during their welterweight bout at UFC 207.

Mike Pyle tries to evade a punch by Alex Garcia during their welterweight bout at UFC 207.

Alex Garcia reacts after defeating Mike Pyle in a welterweight bout at UFC 207.

Niko Price (top) attempts to submit Brandon Thatch during their welterweight bout at UFC 207.