Jonah Hill said he'd 'annihilate' anyone; a retired UFC star answered.

Retired UFC featherweight Cub Swanson has playfully responded to actor and comedian Jonah Hill's bold jiu-jitsu boasts. Hill, who has undergone a notable physical transformation in recent years, credited Brazilian jiu-jitsu with playing a major role in his fitness journey and mental confidence. During an appearance on SiriusXM's Smartless podcast, Hill declared that he would "annihilate" anyone foolish enough to challenge him on the mat, brushing aside his wife's reminders that he remains a comedian, not a professional fighter.

Swanson, who retired in April 2026 following a victory over Nate Landwehr at UFC 327, took notice of Hill's confidence. The longtime featherweight competitor, who spent nearly 15 years in the UFC, responded on social media with a tongue-in-cheek challenge: "If I run into him again. I'm gonna try him." The comment sparked lighthearted attention from MMA fans and sports media outlets eager to see whether the trash talk might translate into an actual grappling session between the two. While neither party has indicated serious intent to compete, the exchange highlights Hill's genuine enthusiasm for jiu-jitsu as both a competitive pursuit and a transformative lifestyle change—though most observers understand Swanson's response as jest rather than a genuine call-out.