by Kyle Koster on January 20, 2014

Mascots are also held to a high standard. Just ask the Denver Broncos horse, who was stopped forcibly from banging on his drum during yesterday's AFC Championship victory.

If you watch closely, you can see his expression change–against all odds– from jubilation to pure hatred.

To be fair, the team probably has these signs posted all over the place. 

[H/T: Bubbaprog]