#4 Daniel Cormier at UFC 226
For years, Daniel Cormier was regarded as a paper champion in the UFC light heavyweight division due to his first loss to Jon Jones in a championship bout at UFC 182.
'DC' came to capture the title thanks to the championship being vacated by Jones after the latter's troubles outside the octagon. Cormier won the vacant title in a matchup against Anthony 'Rumble' Johnson, defending it twice before meeting Jones in a rematch at UFC 214.
While the former Olympian initially lost the rematch via TKO, he was soon reinstated as the light heavyweight champion due to a drug test failure by his longtime rival.
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Thus, many questioned the strength of his legacy as the UFC light heavyweight champion. So when he knocked out Stipe Miocic at UFC 226 to capture the UFC heavyweight title, becoming a simultaneous double champion, Cormier finally stepped out from under Jones' shadow.
In his post-fight interview with Joe Rogan, Cormier called out Brock Lesnar, who was in attendance. Lesnar stepped inside the octagon, shoved Cormier, then claimed he'd be coming for him after deriding the entire heavyweight division and shoving the microphone, which was still in Joe Rogan's grasp, at the camera.
'DC', in turn, promised that while Lesnar could shove him, he'd knock him out afterward, demanding that Lesnar put his WWE championship on the line because he felt like being a WWE champion as well.
#3 Chael Sonnen at UFC Fight Night: Shogun vs. Sonnen
While Chael Sonnen is best known for his infamous callout of Anderson Silva at UFC 136, that post-fight interview was brief and more shocking than entertaining.
After besting Mauricio 'Shogun' Rua at UFC Fight Night: Shogun vs. Sonnen, he stood next to Rogan for his post-fight interview. He initially began the interview with a wholesome moment, dedicating his win to his grandmother and a fan, both of whom were battling cancer at the time.
The tide soon turned. When Joe Rogan asked him whether he was surprised by Rua's decision to shoot for takedowns against him, Sonnen completely ignored his question and began a preplanned rhyming sequence, during which he described himself in overly flattering and exaggerated terms.
After pausing, the 'American Gangster' called out Wanderlei Silva, mentioning his future foe's height and weight before stating that before he'd met him, he didn't know excrement could be stacked that high. When he paused again, Joe Rogan assumed Sonnen was done.
But as he sought to move the microphone, the former NCAA Division I standout interrupted him. He reminded the UFC color commentator that moments ago, he'd bested a world champion and that he had no qualms doing the same to a middle-aged comedian for the mere pleasure of it.