Football is often called a "gladiator game." This past semester, several football players took a class at the University of Washington that explores the idea. It turns out that both the professor and her football-playing students found that it's not just a glib analogy.
Apart from the extreme fact that the Roman slaves actually killed each other in their games, there are certain fascinating parallels.
Click on the audio link above to hear Deford's take on this issue.