It's not only Jon Hamm  and Matt Damon  who are going crazy over the World Series. Pets are getting in on the action, too. From donning Cardinals' garb to cheering for the Red Sox, here's a collection of furry superfans that are filled with World Series frenzy.
Sox and Lobsters
This pup is showing some serious Beantown pride.
Here's a pup that's totally rooting for the Red Sox. Really, he is.
Red Sox Nation
This pup has no problem showing his team love while watching the game.
St. Louis All the Way
This pup thinks a big win is right around the corner.
Here's a kitty that's paws down a Red Sox fan.
For the Win
This cat thinks it's Boston all the way.
We're thinking this pup's a Red Sox fan.
Here is a dog that's cheering for the Cardinals — and then would really love to play some ball.
Yes, this cat is sure the Cardinals are going to take it.
Fear the Beard
Red Sox all the way!
Even this turtle is showing some Boston love.
But Cardinal fans sure are cute.