2016 Major League Rule Book *- This code of rules governs the playing of baseball games by professional
teams of Major League Baseball and the leagues that are members of the
National Association of Professional Baseball Leagues.
We recognize that many amateur and non-professional organizations play
their games under professional rules and we are happy to make our rules
available as widely as possible. It is well to remember that specifications as
to fields, equipment, etc., may be modified to meet the needs of each group.