Is mixed martial arts just another sport—or something more?

In The Ethics of the Octagon, pastor Sean DeMars offers a careful and deeply biblical evaluation of one of the fastest-growing forms of entertainment in the world. Once an avid fan, as well as a trained martial artist himself, DeMars understands the appeal of MMA—the discipline, the skill, the intensity. But over time, a question began to press on his conscience: Can Christians celebrate what MMA requires?

This book answers that question by examining Scripture’s teaching on:

• The dignity of human beings made in the image of God
• The purpose and limits of violence in a fallen world
• The moral shape of Christian entertainment
• The responsibility of spectators, not just participants
• The formation of the heart through what we watch

Rather than dismissing MMA with shallow arguments, DeMars carefully engages common objections and draws important distinctions between combat sports, training, and self-defense.

The Ethics of the Octagon is not a call to legalism, but to ethical clarity. It invites Christians to think deeply, examine their hearts honestly, and bring even their entertainment under the lordship of Christ.

"Sean DeMars brings a mature understanding of the teachings of the Bible to the topic of mixed martial arts (MMA). He carefully distinguishes MMA from other contact sports like football and wrestling. His conclusions seem to me to be faithful to the overall teachings of the Bible, and I expect that everyone who reads this booklet will be challenged by his arguments." - Wayne Grudem, Distinguished Research Professor Emeritus of Theology and Biblical Studies at Phoenix Seminary