New Orleans - John Zimmer, a security specialist at Headquarters Battalion, Marine Forces Reserve, stands in the octagon minutes before his fight at the Caged Warrior Championship V on Oct. 4th, 2014, in Patterson, La. This was Zimmer’s first time competing in a mixed martial arts fight. - New Orleans - John Zimmer, a security specialist at Headquarters Battalion, Marine Forces Reserve, stands in the octagon minutes before his fight at the Caged Warrior Championship V on Oct. 4th, 2014, in Patterson, La. This was Zimmer’s first time competing in a mixed martial arts fight.