Prosecutors called a Marine veteran who gave Daniel Penny martial arts instruction to ... He also said that while Marines are told not to hold a choke for more than five seconds, it does not ...

Penny's Marine Corps martial arts instructor, to the stand. He testified Penny attained a green belt. During training, he said warnings are given not to hold a choke longer than five seconds.

Matches were sanctioned by either a United States or Japan based mixed martial arts organisation. Results: Of the 642 matches, 182 (28.3±3.4%) were stopped because of head impact, 106 (16.5±2.9%) ...