Rule 1

Section 2

The Field

Article 1...

     The Playing Field shall be a right angle having sides of at least 100 feet, with their point of origin being the rear point of home plate. All lines of the playing field shall be marked with a material that is not injurious to the eyes or skin. Distance from the rear point of home plate to the nearest obstruction on fair ground should be at least 170 feet down the foul lines and through the center of the field. Foul lines shall be marked to extend from the rear point of home plate toward first and third base marks for a distance of at least 100 feet. It is recommended that these lines extend at least thirty [30] feet beyond the 100 foot mark. A linetten feet in length shall be drawn at a right angle from the 100-foot mark (hereafter referred to as the spot) of each of the foul lines. The near edge of first and third base shall be placed at the end of these ten-foot lines. The distance between first and third bases shall be no less than 141'3" and no more than 141'6" measured spot - to - spot, and not less than 141'4" or 141'6" measured from the near edge of either base, or its wind-resistance device, to the near edge of the other base, or its wind- resistance device.

Article 2...

     An additional Foul Line shall be marked at a point beginning 40 feet down the first base line from the rear point of home plate and extending across the field to a point 40 feet down the third base line from the rear point of home plate. This foul line shall also be forty feet from the rear point of home plate through the center of the field. The distance between the 40-foot marks on each baseline shall be no less than 56'3" and no more than 56'6".

Article 3...

     A Pitcher’s Mark shall be placed on the field of play a distance of 21' 5" from the rear point of home plate. The pitcher’s mark shall be no longer than 30" in length and shall be centered between the first and third base foul lines.

Article 4...

     A batter must have at least one (1) foot behind the front edge home plate at the start of the swing.

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