Official Professional Baseball Rules Book

The Official Professional Baseball Rules Book govern all aspects of the game of Major League Baseball beyond what happens in the field of play. There are a number of sources for these rules but they all ultimately are sanctioned by the Commissioner's Office of Major League Baseball. Examples of these rules are the Rule 5 draft and the disabled list. Other examples include:

The Official Professional Baseball Rules Book is organized into the following sections:

The Major League Rules begin with a note stating that whenever a provision of any of its rules conflicts with a provision in the Collective Bargaining Agreement negotiated with the Major League Baseball Players Association, the provision in the Collective Bargaining Agreement supersedes the Major League Rules.

The following are the topics covered by current Major League Rules:

This is followed by the Acceptance of all the Clubs. Then there are the Attachments to the Rules (numbers refer back to Rule # above):

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