2021 Official Major League Baseball (MLB) Rulebook
August 17, 2021
I have been buying all the updated OBR books for 10 years now. Stay in the know. Get this book!!
Terre Haute, IN
June 14, 2021
This rule book is an absolute must for all umpires. Complete, easy to follow and compact enough to have readily available for those complex issues that require definitive resolve. I will not approach the field with out it!
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