I'm not looking for a book on a specific religion, but rather one about the evolution of religion over the past several thousand years, in all parts of the world. Thanks.
I don't know the church's official position on it, if they even have one, but a lot of people view the sport as brutal and dangerous. That can't really be debated since the ultimate goal is to knock the other guy out. Sure, there is strategy and finesse in the sport and a fighter can win...