“My dog loves it!” ...

A tennis ball can mean a lot of things in a dog’s world. It can turn a backyard into a training ground or a bonding session. Fetch taps into more than just energy levels. It is tied to instinct, focus ...

Add Yahoo as a preferred source to see more of our stories on Google. If your dog treats fetch like a full-time job, you already know the struggle. You throw the ball. They sprint. You throw again.