#Lookit

The Giants' first base coach was flexing his butt

This is a hypnotic buttflex for the ages.

Roberto Kelly was a five-tool prospect once. If you included things he could do with his butt, though, he was at least a 48-tool prospect. What is the deal with his butt?

It's at this point that we ask a simple question: What are you doing with your butt, Roberto Kelly? Oh, and there's a follow up question: How are you doing that with your butt, Roberto Kelly?

Also, we enhanced that Vine:

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