Thread: Warming Up
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  #14 (permalink)  
Old Sat Apr 01, 2017, 12:22am
MT 73 MT 73 is offline
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Join Date: May 2013
Posts: 187
Quote:
Originally Posted by umpjim View Post
I enforce this etiquette in baseball but it is rarely necessary. Do you have cites that enforce this other than PBUC/MLBUM.
No. Those are the only sources where I have seen it.
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