In the heat of the moment, sparks begin to fly, tempers begin to run high, fists begin to clench.
And like a ticking time bomb, these athletes, coaches and fans are moments away from tossing those fisticuffs, bumping those chests and tossing those ferocious leg kicks at whoever is willing to engage.
It's a vicious cycle, and certainly an uglier side to sports. But dare we say, fighting is sometimes very necessary. And always entertaining.
Let's look at the craziest bench clearing brawls in sports.
Now before we do this, let's go over the ground rules.