Matthew Riddle is an American professional mixed martial artist with an estimated net worth of $220 thousand. After his school wrestling coach got fired, he lost his wrestling scholarship, which led him try mixed martial arts. While employed as a roofer, he started joining the Brazilian jiu jitsu training after work. He learned the mixed martial arts by reading BJ Penn’s novel,Mixed Martial Arts: The Book of Knowledge. Riddle joined The Ultimate Fighter 7 in 2008, and fought other participants including Tim Credeur, and Dan Simmler. Riddle appeared in several fights for the Ultimate Fighting Championship. Riddle won Submission of the night time against Chris Clements, and Fight of the night time against Lance Benoist. On February 26, 2013, Matthew tested positive for marijuana. Riddle was launched in the promotion, thereby prompting him to join the Bellator MMA after his contract with the Texas-based Legacy Fighting Championship was bought out by the Bellator. A year later, he left the said promotion and transferred to Titan FC. On February 7, 2015, he appeared in a wrestling match at Monster Factory and won the Monster Factory Heavyweight Championship. Matthew Frederick Riddle was born on January 14, 1986 in Allentown, Pennsylvania.