K-1 World's Greatest Martial Arts Knock-Outs: K-1's Greatest Knockouts: Since it began its conquest of the fight world in 1993, K-1, the fastest growing sport worldwide, has provided some of the most thrilling moments in the history of combat sports courtesy of the elite Karate, Kung-Fu, and kickboxing talent that it courts from around the globe. Finally, you can bear witness in one continuous segment to the most dramatic and hardest-hitting knockouts ever delivered on the tournament circuit with punches, kicks, and knee strikes. Brace yourself for the action you are going to witness during K-1 World’s Greatest Martial Arts Knockouts!