Video: Capitals' Mike Green's shot shatters Lightning center Nate Thompson's visor

This video shows why the majority of National Hockey League players wear visors. Warning: This video is graphic in nature.

Washington Capitals defenseman Mike Green set up for a shot during a power play opportunity in Saturday's game and fired the puck towards the net. Tampa Bay Lightning center Nate Thompson had no chance to get out of the way and you can see the results after he was struck.