Who is B.J. Cason from Forged by Fire and what is their importance?

B.J. Cason is the manager of the Hazelwood High School Tigers. He is described as a short but stocky man, and he has a black belt in karate. B.J. is picked on by the school bully, but when B.J. easily kicks the boy to the ground, he's left alone. B.J.'s mother is among those who usually attend home games.