Shelter dogs retrieve tennis balls at tournament

Posted at 2:48 PM, Feb 28, 2016
and last updated 2016-02-28 22:18:47-05

Sports and dogs are just an adorable combination!

Four trained shelter dogs are causing hearts to melt at a tennis tournament. They were the official "ball dogs" at the Brazil Open. 

The pups retrieved the balls that went out-of-bounds in an exhibition game. The goal here was to show people that shelter dogs make excellent pets. 

Check out the'll make you want to adopt a dog!