Stipe Miocic, right, fights Junior Dos Santos in a mixed martial arts bout at UFC 211 for the UFC heavyweight championship, Saturday, May 13, 2017, in Dallas. Miocic retained his heavyweight title …

Stipe Miocic, right, fights Junior Dos Santos in a mixed martial arts bout at UFC 211 for the UFC heavyweight championship, Saturday, May 13, 2017, in Dallas. Miocic retained his heavyweight title via 1st round TKO. (AP Photo/Gregory Payan)