UFC 317 (pay-per-view, ESPN, ESPN+) takes place Saturday at T-Mobile Arena in Las Vegas. "Countdown" goes behind the scenes ...

Ilia Topuria looks to become a two-division UFC champion, while Charles Oliveira finally gets his chance to regain the ...

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UFC 317 (pay-per-view, ESPN, ESPN+) takes place Saturday at T-Mobile Arena in Las Vegas. "Countdown" goes behind the scenes with the two fighters, and you can watch the full segment above.

Topuria vacated the 145-pound belt to move to lightweight for a shot at a title in a second division. UFC 317 (pay-per-view, ESPN, ESPN+) takes place Saturday at T-Mobile Arena in Las Vegas.

Watch "Countdown to UFC 317" video preview for the Ilia Topuria vs. Charles Oliveira-led pay-per-view (PPV) event on Sat.

UFC 317 (pay-per-view, ESPN, ESPN+) takes place Saturday at T-Mobile Arena in Las Vegas. "Countdown" goes behind the scenes with the two fighters, and you can watch the full segment above.

UFC 317 (pay-per-view, ESPN, ESPN+) takes place Saturday at T-Mobile Arena in Las Vegas. "Countdown" goes behind the scenes with the two fighters, and you can watch the full segment above. And don't ...