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Watch the Trenton Thunder's new bat dog train for his very important job

Courtesy Eric Lipsman via Twitter

Think you can't watch Spring Training until mid-February? That's not entirely true. Even though pitchers and catchers don't report for a few more weeks, the Trenton Thunder, the Yankees' Double-A affiliate, has something to tide you over and it might just warm your winter-weary heart.

The Thunder has had a bat dog since 2002, and the position has a noble lineage. First there was Chase, then his son Derby. Now Derby's son Rookie is in training for the job:

He's working very, very hard:

Check out the full story at the Times of Trenton. But beware - it's so sweet it might make your teeth hurt:

"You can see how much he loves that bat. It's his little pacifier now," [trainer Shelly Leibowitz] said, watching as Rookie circled the training room with his tail wagging. "This is the day in the life of Rookie, and he's real happy doing it."