UFC 219: Cyborg vs. Holm

Cris Cyborg, right, hits Holly Holm during a featherweight championship mixed martial arts bout at UFC 219, Saturday, Dec. 30, 2017, in Las Vegas. (AP Photo/John Locher)  (John Locher / Associated Press)

Holly Holm kicks Cris Cyborg during a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg hits Holly Holm during a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg kicks Holly Holm during a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg hits Holly Holm during a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg hits Holly Holm during a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg embraces Holly Holm after a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg hits Holly Holm during a featherweight championship mixed martial arts bout at UFC 219.

Cris Cyborg celebrates after defeating Holly Holm during a featherweight championship mixed martial arts bout at UFC 219.

Khabib Nurmagomedov fights Edson Barboza in a lightweight mixed martial arts bout at UFC 219.

Khabib Nurmagomedov hits Edson Barboza in a lightweight mixed martial arts bout at UFC 219.

Edson Barboza walks back to his corner between rounds of a lightweight mixed martial arts bout against Khabib Nurmagomedov at UFC 219, Saturday, Dec. 30, 2017, in Las Vegas. (AP Photo/John Locher)

Khabib Nurmagomedoy fights Edson Barboza during a lightweight mixed martial arts bout at UFC 219.

Dan Hooker fights Marc Diakiese in a lightweight mixed martial arts bout at UFC 219.

Khabib Nurmagomedov takes a swing at Edson Barboza during a lightweight mixed martial arts bout at UFC 219.

Marc Diakiese hits Dan Hooker in a lightweight mixed martial arts bout at UFC 219.

Marc Diakiese reacts after losing to Dan Hooker in a lightweight mixed martial arts bout at UFC 219.

Cynthia Calvillo fights Carla Esparza in a strawweight mixed martial arts bout at UFC 219.

Cynthia Calvillo fights Carla Esparza in a strawweight mixed martial arts bout at UFC 219.

Neil Magny kicks Carlos Condit during a welterweight mixed martial arts bout at UFC 219.

Carlos Condit fights Neil Magny in a welterweight mixed martial arts bout at UFC 219.

Neil Magny takes down Carlos Condit during a welterweight bout at UFC 219.

Neil Magny uses a choke hold against Carlos Condit during a welterweight fight at UFC 219.