Video: Justin Houston and Tamba Hali sack and injure Ben Roethlisberger, celebrate with Kid 'n Play dance

You'll have to excuse Justin Houston and Tamba Hali. They didn't know Big Ben hurt his right shoulder and had to leave the game.

They were just so happy to get a sack, and so happy the Chiefs as a whole were playing a competitive game. And they've been rehearsing this for months...