Oakland A's call up top prospect Shea Langeliers, a key piece of Matt Olson trade | CBS Sports Headlines Oakland A's call up top prospect Shea Langeliers, a key piece of Matt Olson trade Oakland acquired the young catcher from the Braves in March ESN FeedsThis post was originally published … Continue reading Oakland A's call up top prospect Shea Langeliers, a key piece of Matt Olson trade