Professional sports can be extremely intense both off and on the field. For the athletes they put their bodies on the line and try to go out and win every game. On the field it is a battle. Off the field is another intense situation. A lot of fans have money put on these sporting events and can get crazy depending on what happens during the game. Some fans have such high enthusiasm and passion they take their fandom to a whole new level. Here are some pictures of intense sports fans which are a little terrifying.