Big hits, aggressive play, and a fighter's mentality can all come in handy when playing sports. But, harnessing this type of play is what separates great athletes from those who can't control themselves.
In this slideshow you'll see a wide variety of plays. Some are within the rules of the game but teeter on the moral side, while others are full blown law breaking stunts that land people in the hospital.
Either way you look at it, the attackers are using cheap tactics to get their way.
Here are the 25 worst cheap shots in sports history.