By A Mystery Man Writer
PETA called the term "outdated" and is pushing for MLB to rename it to
PETA called the term outdated and is pushing for MLB to rename it to 'arm barn,' a more animal-friendly term that also happens to be a vulgar slang reference.
PETA wants the MLB to rename 'bullpen' to 'arm barn' : NPR
PETA Calls On MLB to Rename 'Bullpen' to 'Arm Barn' - Athlon Sports Texas Rangers News, Analysis and More
No bull: PETA asks MLB to change name of 'bullpen' to 'arm barn', Trending
PETA is proposing the MLB rename the “bullpen” the “arm barn” (this is not a joke), This is the Loop
PETA calls for MLB to rename outdated bullpen to arm barn - Sports Illustrated
PETA calls on MLB to rename term 'bullpen' to the 'arm barn
Why is the baseball bullpen named as such? - Quora
PETA's Call to the 'Bullpen': Rename Outdated Term 'Arm Barn
Andy Pettitte - Wikipedia