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White Sox ace Chris Sale isn't just money on the mound, dude's got serious dance moves -- and he flexed the gift at a wedding ... getting all turnt up to "Call Me Maybe" ... and it's AWESOME!!

TMZ Sports obtained video of Sale at the wedding of then-teammate Alex Rios in Puerto Rico in 2012 -- in an epic 1-man dance off to the Carly Rae Jepson hit.

He lip-syncs the entire song ... he does the hand-phone move during the hook ... and he jumps off the stage ... all without ever spilling his drink.