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WATCH: Playoff-bound A’s have bizarre pre-game ritual that will blow your mind

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OAKLAND — As with bird calls and dolphin whistles, no one will ever fully understand the secret language of the A’s pre-game handshake ritual. The complex sequence of gestures, grunts, trills and male strutting continues to baffle baseball biologists.

Think of it as the Call of the Wild Card.

“I think it’s pretty organic in every pair,” outfielder Stephen Piscotty said in (sort of) trying to explain what the heck is going on. “We kind of have our own thing and — I don’t know how to describe it — but it all relates to something.