Add Yahoo as a preferred source to see more of our stories on Google. Zach Mabey, left, a brown belt in Brazilian jujitsu, gets his hand raised by Cauata Rocha, a referee, after winning his match ...

BRIGHTON, Mich. (WXYZ) — Over the years, jiu-jitsu has become one of the leading self-defense martial arts known for its unique ground fighting and submission. A ...