Original sentence: Many of these fights were videotaped and included in the Gracie In Action video series.Most of these matches took place ad hoc in the Gracie gym when challengers would show up to fight.Royce received his black belt in Brazilian Jiu-Jitsu at the age of 18 and soon began fighting in defense of the $100,000 "Gracie Challenge".While Gracies have lost in competition, there is no record of anyone successfully winning the Gracie Challenge
Edited sentence: Royce received his black belt in Brazilian Jiu-Jitsu at the age of 18 and soon began fighting in defense of the famous "Gracie Challenge".There were takers of the challenge who instantly became students after they were easily defeated