There have been a ton of dirty athletes who have played professional sports over the years. But which ones have played the dirtiest? Recently, Complex TV answered this question by putting together a list of the 5 dirtiest athletes in sports history. From an NFL player with a bad attitude to a boxer with a really mean one-two punch, they ran down a list of guys who didn't know how to fight fair. Check out their selections in the video above.

[via Complex TV]