What makes a team "dirty?"
Is it low-blows, cheap shots, elbows, undercuts or head hunting?
How about a combination of all of that, and then some?
That is the recipe the dirtiest teams in sports history used to intimidate and punish opponents throughout their respective reigns over their sports.
Most of them live in infamy now, but notice a common trend among the 10 teams on this list: They are all wildly or very successful winning teams. Playing dirty plants a seed in opponents' heads. It serves as a distraction, and these 10 mastered that concept.