PETA calls for MLB to stop use of term 'bullpen,' use 'arm barn

People for the Ethical Treatment of Animals (PETA) is calling on MLB to retire the term "bullpen" when referring to the area where relief pitchers hang out and warm up during ballgames.

PETA wants the MLB to rename 'bullpen' to 'arm barn' : NPR

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PETA wants baseball fans to stop using 'bullpen,' use 'arm barn