WASHINGTON (SBG) — Meet Finley. 

Finley is a dog that loves tennis balls and can't stop playing with them.

In the video above, you can see how obsessed Finley is while jostling around with just one tennis ball.

Believe it or not, the dog even holds a Guinness World Record after being able to put six tennis balls inside of his mouth.

Here are some unique pictures of Finley with tennis balls.