Jump into the ring where all competitors must observe one cardinal rule: There are no rules! Royce Gracie, Ken Shamrock and a slew of other great fighters populate this collection of classic Ultimate Fighting Championship matchups. Bouts include Gracie (jujitsu) vs. Art Jimmerson (boxing), Shamrock (submission fighting) vs. Pat Smith (kickboxing) and many others. Gracie and Shamrock introduce the collection and provide audio commentary