The fight was supposed to be a rematch of a heavyweight title fight that took place in June 2015. "As far as preparation, I've done everything," Velasquez said. "I've sparred, wrestled.

Werdum (20-5-1) shocked Cain Velasquez at UFC 188 on Saturday night, submitting the two-time UFC heavyweight champion at 2:13 of the third round via guillotine choke at the Mexico City Arena.

Cain Velasquez left little doubt over who the baddest man on the planet was on this day in 2013. While injuries plagued the back end of his career and prevented him from building a strong claim to ...

Cain Velasquez, left, fights in a UFC mixed martial arts match in Anaheim, Calif., on Oct. 23, 2010. Velasquez won by TKO in the first round. (AP Photo/Jae C. Hong) ...

UFC president Dana White announced the fight Sunday. Miocic (14-2) replaces Werdum's original opponent, former champion Cain Velasquez (13-2), who was forced off the card due to a back injury.