WATCH ATHLETE AND EVENT VIDEOS

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.

Jessica Eye and Paige VanZant discuss their move to flyweight ahead of their debuts in the division at Fight Night Saint Louis: Stephens vs Choi. Watch the event live and free on FS1 this Sunday!

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.

Two flyweight strikers are set to battle on Sunday night as Paige VanZant and Jessica-Rose Clark meet in a flyweight showdown at Fight Night St. Louis.

Fight Night Oklahoma City was announced recently and a host of fights have been revealed. UFC Minute host Lisa Foiles details the fights in today's UFC Minute, including BJ Penn vs. Dennis Siver.

Watch the highlights from the post-fight press conference at Fight Night Sacramento, featuring Urijah Faber, Paige VanZant, Mickey Gall and Michelle Waterson.

Watch the Fight Night Sacramento post-fight press conference.

Recap the action from Friday's Fight Night Sacramento weigh-in, featuring main event fighters Paige VanZant and Michelle Waterson.