UFC 229: Khabib vs. McGregor

Khabib Nurmagomedov, bottom center, is held back outside of the cage after fighting Conor McGregor in a lightweight title mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018. Nurmagomedov won the fight by submission during the fourth round to retain the title.

Khabib Nurmagomedov of Russia is escorted out of the arena after defeating Conor McGregor of Ireland in their UFC lightweight championship bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Khabib Nurmagomedov is held back outside of the cage after fighting Conor McGregor in a lightweight title mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018. Nurmagomedov won the fight by submission during the fourth round to retain the title.

Conor McGregor is escorted from the cage area after fighting Khabib Nurmagomedov in a lightweight title mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018. Nurmagomedov won the fight by submission during the fourth round to retain the title.

Conor McGregor, left, fights, Khabib Nurmagomedov during a lightweight title mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018.

Conor McGregor raises his arms before fighting Khabib Nurmagomedov in a lightweight title mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018.

Anthony Pettis and Tony Ferguson fight in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Anthony Pettis (L) punches Tony Ferguson in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Ferguson celebrates after fighting Anthony Pettis during a lightweight mixed martial arts bout mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018. Ferguson won by technical knockout during the second round.

Conor McGregor walks in the cage before fighting Khabib Nurmagomedov in a lightweight title mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018.

Anthony Pettis reacts as he has Tony Ferguson down on the mat in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Ovince Saint Preux (R) faces Dominick Reyes in their light heavyweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Ferguson, right, punches Anthony Pettis during a lightweight mixed martial arts bout mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018. Ferguson won by technical knockout during the second round.

Tony Ferguson walks away from Anthony Pettis in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Ferguson, right, fights Anthony Pettis during a lightweight mixed martial arts bout mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018. Ferguson won by technical knockout during the second round.

Tony Ferguson takes down Anthony Pettis in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Vicente Luque signals after defeating Jalin Turner in their welterweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Vicente Luque fights Jalin Turner in their welterweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Vicente Luque punches Jalin Turner in their welterweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Felice Herrig punches Michelle Waterson as Waterson kicks during a women's strawweight mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018.

Sergio Pettis punches Jussier Formiga of Brazil in their flyweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Michelle Waterson kicks Felice Herrig during a women's strawweight mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018.

Michelle Waterson punches Felice Herrig during a women's strawweight mixed martial arts bout at UFC 229 in Las Vegas, Saturday, Oct. 6, 2018.

Alan Patrick of Brazil kicks Scott Holtzman (R) in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Yana Kunitskaya of Russia (R) takes down Lina Lansberg of Sweden (L) in their women's bantamweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Yana Kunitskaya of Russia (top) punches Lina Lansberg of Sweden (bottom) in their women's bantamweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Scott Holtzman (R) knocks down Alan Patrick of Brazil with a punch in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Nik Lentz (R) attempts a punch on Gray Maynard (L) in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Martin (L) knocks out Ryan LaFlare (R) during their welterweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Martin (L) knocks down Ryan LaFlare (R) during the first round of their welterweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Martin reacts after a TKO in the second round of his welterweight bout against Ryan LaFlare during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Tony Martin celebrates his win over Ryan LaFlare after their welterweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.

Gray Maynard (R) misses Nik Lentz (L) in their lightweight bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.