Violent sports like American football, ice hockey, rugby, boxing and mixed martial arts are perennially among the most popular. Their status is a frightening indication of the flowering of violence in sports in the 21st century, booming to a level unknown since ancient Greece and Rome. In the ancient Mediterranean, the audiences both in the Greek East and in the Roman West mutually enjoyed Greek athletic contests and Roman spectacles.
Playing Man (Homo Ludens), the trail-blazing work by Johan Huizinga, took sport seriously and showed how it was essential in the formation of civilizations. Adult playtime for many pre-industrial cultures served as the crucible in which conventions and boundaries were written for a culture. Actions were censured for being “beyond the pale”, a sports metaphor for being “out of bounds”.