In his first bout of the competition, Arroyo was able to submit Dorian Price via rear naked choke in the first round.

While preparing for his semifinal match vs. Mac Danzig, Arroyo sustained a rib injury and had to withdraw from the competition, prompting Dana White to select John Kolosci as his replacement.

Arroyo holds a Bachelor of Science degree from The University of Tampa, where he was also the president of his fraternity, Pi Kappa Phi.

[6] He has recently opened up his own MMA academy known as Gracie Tampa South with his mentor Rob Kahn.

[citation needed] On December 30, 2009, Arroyo received his black belt in BJJ under Rob Kahn.