Roman “Sonic Boom” Alvarez works the bag in this file photo while training at the TrenchTech Gym in Garapan. Alvarez...
Cuki Alvarez
Frank “The Crank” Camacho, right, joins Brazilian Jiu-jitsu instructor Steven Roberto of Purebred Guam, center, and TrenchTech’s Cuki Alvarez in...
Trench Tech Purebred Gym owner Cuki Alvarez, second right, joins students and other fighters training at the Saipan gym.(Contributed Photo)...
Roman Alvarez, left, is seen here working on his BJJ techniques with Cuki Alvarez at the Trench Tech Gym late...
