Video: UFC 252 'Countdown' for Junior Dos Santos vs. Jairzinho Rozenstruik

Did you miss the debut of “UFC 252 Countdown” or just want to watch it again? Check out a preview of a key clash now.

The segment takes a special look at a featured heavyweight clash, with former UFC champion Junior Dos Santos (21-7 MMA, 15-6 UFC) taking on the hard-hitting veteran kickboxer Jairzinho Rozenstruik (10-1 MMA, 4-1 UFC) in a bout that will have big implications on the division’s rankings.

UFC 252 takes place Saturday at the UFC Apex in Las Vegas. The main card airs on pay-per-view following prelims on ESPN/ESPN+.

“Countdown” goes behind the scenes with the two fighters, and you can watch the full segment above. And don’t miss the entire episode in the video below.