Photo of the Day: J.D. Martinez's new best friend is a giraffe

The offseason is a time to relax, catch up with old friends and, sometimes, make new ones. On Sunday, J.D. Martinez did just that, and couldn't resist taking a selfie with his brand new bestie:

Martinez probably shouldn't tell the giraffe he's a Tiger, though -- that could cause some tension in the friendship. 

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