Complex sentence: Less than 2 years later, he would win his first MMA fight and become a World Jiu-Jitsu Champion, a title he would earn an additional four times in an equal amount of varying weight classes.
Split into simpler sentences: Less than 2 years later, he won his first MMA fight. He also won the World Jiu-Jitsu Champion, a title he would earn an additional four times in an equal amount of varying weight classes.