The second day of action at No-Gi worlds saw the adult black belts take to the mats in Anaheim, Calfornia – and the competition was fierce.  Below are nine of our favorite matches from the day that you simply cannot miss if you're a jiu-jitsu fan.

The black belt finals conclude tomorrow, Dec. 16, with actioning beginning at 9:30am PST.  

Gordon's Toughest Match: Patrick Gaudio

Matheus Diniz Battles Dark Horse Vegard Randeberg

Kennedy Maciel Opens Up Strong In 1st Match of the Day

Amanda Lowen Hits Sub of the Day

Yuri Simoes Digs Deep to Win Absolute Semi-Final Match

Beatriz Mesquita's Flawless Performance

Cyborg Throws Down The Gauntlet

Dante Leon's Incredible Armbar Finish

Jena Bishop & Catherine Perret Go to War