It’s fight week for “UFC 273: Volkanovski vs. The Korean Zombie,” and big pay-per-view events mean the return of “Countdown.”

This week’s episode features a segment that takes a special look at an intriguing welterweight clash between former title challenger Gilbert Burns (20-4 MMA, 13-4 UFC) and the undefeated fast-rising star Khamzat Chimaev (10-0 MMA, 4-0 UFC).

UFC 273 takes place Saturday at VyStar Veterans Memorial Arena in Jacksonville, Fla. The main card airs on ESPN+ pay-per-view following prelims on ESPN and early prelims on ESPN+.

“Countdown” goes behind the scenes with Burns and Chimaev, and you can watch the full segment above. Here’s the official description, courtesy of the UFC:

UFC 273 Countdown previews welterweight rising star Khamzat Chimaev’s matchup with former title challenger Gilbert Burns. See these athletes train and prepare for their bouts on Saturday, April 9.

Or if you prefer, catch the entire episode in the video below.