Hands on your head, standing on your tip toes and staring at the TV screen are all key attributes to watching a close game.
Waiting for the moment to happen is the worst part. For better or for worse, you want to know if your team lives to play another day, takes home the title or withers in defeat.
There are the moments that make sports great, and these are the people that watch them.
Here are the top 25 best fan reaction videos.