From it's origins in often brutal "no holds barred" combat,
through the more publicly acceptable format used today,
the sport of Mixed Martial Arts (MMA) has undergone many changes.

Although individual organizations sometimes use different rules, the most widely used rules of Mixed Martial Arts (MMA) competitions are called the Unified Rules of Mixed Martial Arts.

Find out the criteria the judges use to pick a winner in a an MMA match, calculate scores yourself, and see if they match the official results.

Learn about MMA weight classes and the weights for each.

MMA events are no longer totally "no holds barred." Find out what constitues a foul that will earn a fighter a warning or even a disqualification.