Watch the face offs from the official Fight Night St. Louis weigh-ins that went down on Saturday. The action is live on FS1 Sunday night when featherweights Jeremy Stephens and Dooho Choi do battle in a must-see five-round main event.

Watch all the fighters set to compete in St. Louis at Fight Night: Stephens vs. Choi on Sunday on FS1 weigh in at the official Fight Night St. Louis weigh-ins Saturday.

Watch the stars of Fight Night Saint Louis as they hold open workouts for the public ahead of Sunday night's free FS1 event. Includes Jeremy Stephens, Dooho Choi, Paige VanZant, Uriah Hall and more.

Dooho Choi is ready to show the world again how he fights like a beast. On Sunday he'll take on Jeremy Stephens in the main event at Fight Night St. Louis.

Daniel Cormier previews the first UFC event of 2018 which is also the first UFC event in Saint Loius, Fight Night: Stephens vs Choi. Tune in to the special Sunday broadcast on FS1. Prelim action begins at 8pm PT, with the main card kicking off at 10pm ET.

This weekend offers a special Sunday night Fight Night as Jeremy Stephens and Dooho Choi meet in the main event at Fight Night St. Louis live on FS1.

For this edition of Knockout of the Week, we look back at the meeting between Dooho Choi and Thiago Tavares. Choi headlines Fight Night St Louis against Jeremy Stephens Sunday January 14 on FS1.

Host Lisa Foiles breaks down the main event of Sunday's fight night Saint Louis featuring Jeremy Stephens and Dooho Choi, and other fighters give their predictions for the outcome. Catch all the action live and free on FS1.

At UFC 206 Dooho Choi and Cub Swanson put on a show for the Toronto crowd, and many considered their three round battle to be the fight of the year in 2016. Choi next faces Jeremy Stephens in the main event of Fight Night St. Louis on January 14.

UFC 206 turned into an instant classic featuring two Knockout and a Fight of the Year candidates. Fans get the chance to relive the action from Toronto when a special two-hour version of UFC 206 is re-aired on Saturday, Dec. 24 at 8 pm/8 p.m. ETPT on FOX.

Go back and watch the best moments for the winners and the harsh realities for the losers from UFC 206 in Toronto, Canada. See Max Holloway, Anthony Pettis and more react and watch the full episode on UFC FIGHT PASS.