Complex sentence: Mann also idolised Marco Ruas and Royce Gracie as a youngster after being introduced to the Ultimate Fighting Championship (UFC) and began taking Muay Thai lessons at the age of 11 as well as participating in jiu-jitsu and kickboxing tournaments at the age of 13.
Split into simpler sentences: Mann also idolised Marco Ruas and Royce Gracie as a youngster after being introduced to the Ultimate Fighting Championship. Mann began taking Muay Thai lessons at the age of 11 and participated in jiu-jitsu and kickboxing tournaments at the age of 13.