It’s difficult for Betty Bautista to go anywhere without being reminded of the strong influence her late husband, Emil — a decades-long Vallejo martial arts master — had on this city. “I can’t go ...

A short list of martial arts systems to be improved upon during this series include: Judo, Brazilian Jiu Jitsu (BJJ), Boxing, Taekwondo, American Kenpo, Muay Thai, Capoeira, Wrestling, Shotokan, Krav ...