Dustin Jacoby says UFC training will have its revenge: 'I'm doomed'

Story byMatt Erickson, George Garcia and Brian Garcia, MMA JunkieSun, December 28, 2025 at 5:45 PM UTC·3 min readWith a seriously rough stretch in the rearview mirror thanks to back-to-back knockouts, Dustin Jacoby still harbors title aspirations. But if the 37-year-old light heavyweight can get back to the cusp of contention the way he was just a few years ago, it'll take a little bit more than it did back then, he thinks. And that's because Jacoby, to little surprise given his profession, is starting to feel the wear and tear. AdvertisementAdvertisementAdvertisementJacoby looks at UFC Hall of Famers like Mark Coleman, Mark Kerr or Don Frye and sees their physical struggles thanks to the damage they did to their bodies while fighting. And he knows the time is coming when he'll have to pay the piper, as well."I do see those guys, those older guys, and the cricks in their neck, and they're moving all slow," Jacoby told MMA Junkie Radio.