A newly translated inscription, dating back about 1,800 years, reveals that Oinoanda, a Roman city in southwest Turkey, turned to a mixed martial art champion to recruit for the Roman army and bring the new soldiers to a city named Hierapolis, located hundreds of miles to the east, in Syria. His name was Lucius Septimius Flavianus Flavillianus and he was a champion at wrestling and pankration, the latter a bloody, and at times lethal, mixed martial art where contestants would try to pound each other unconscious or into submission. Flavillianus proved to be so successful as a military recruiter that...