The NBA is one of the most popular sporting leagues in the world, and one of the reasons is the heat of the competition it has on its courts. However, as we have seen most recently with Metta World Peace's elbow to James Harden's head, sometimes the heat of competition exceeds the maximum temperature that would normally be acceptable.
Thankfully, Harden was only afflicted with a concussion and is already back on the court with the Oklahoma City Thunder. Not all players that have received the brunt of such attacks have been so lucky.
The NBA has restored its reputation in recent years, but it still is a place in which things can sometimes turn violent quickly. Remembering plays such as the recent World Peace one remind us of how far the game has evolved and how we as fans must be vocal about what we want from the product we are buying.
Without further ado, here are the 10 most vicious plays in NBA history.