Minute Maid Park (Houston)
Minute Maid Park Ground Rule Particulars


Fair batted bounding ball striking the railings on the inclined walls down the left and right field lines in foul territory: In Play.

Batted ball strikes higher wall or railing at a point above the lower wall and rebounds over lower wall: Home Run.

Batted ball hits the side railing of the Crawford boxes and goes into the stands: Two Bases.


LEFT FIELD AREA:


Batted ball goes through or lodges in out-of-town scoreboard, either on bounce or in flight: Two Bases.

Batted ball hits the top of the out-of-town scoreboard ledge and goes into the stands: Two Bases.

Batted ball striking below top of scoreboard wall and bounding over wall: Two Bases.

Batted ball strikes screen in left-center field and rebounds onto playing field: In Play.

Batted ball in flight strikes yellow line on fence or top of railing in left-center field at a point above the stands and bounds in stands: Home Run.

Batted ball in flight strikes yellow line on fence or top of railing in left-center field and rebounds onto the playing field: In Play.

RIGHT FIELD AREA:


Batted ball in flight strikes green safety fence to the right field side of the right center field bullpen: Home Run.

Batted bounding ball strikes green safety fence to the right field side of the right center field bullpen: Two Bases.

Metal caps on top of outfield wall in front of right center field bullpen are part of the outfield wall.

Batted ball in flight strikes safety railing on top of the outfield wall to the center field side of the field access gate in right field: Home Run.

Batted bounding ball strikes safety railing on top of the outfield wall to the center field side of the field access gate in right field: Two Bases.

Batted ball in flight striking the top of the wall in the right field above the padding and rebounding onto playing field: In Play.


CAMERA WELLS:


Ball striking low signage in front of first base and third base camera wells and rebounding onto playing field: In Play.

Ball striking this signage and continuing into the camera well: Out of Play.


ROOF:

•    Batted ball strikes roof over fair territory: In Play.
          • If caught by fielder, batter is out and runners              advance at own risk.

•    Batted ball strikes roof over foul territory: Dead Ball.


MOVEMENT OF ROOF:

Please refer to Commissioner's Bulletins regarding opening and closing retractable roofs.



HOUSTON ASTROS RETRACTABLE ROOF GUIDELINES

Conditions under which starting a game with a closed roof at Minute Maid Park is considered:
• Threat of rain
• Threat of excessive wind (above 30 mph sustained)
• Air temperature or heat index readings above 86 degrees for a night game. Air temperature or heat index readings above 84 degrees for a day game (However, it should be noted that a mid-80’s temperature with low humidity will most likely be played open)
• Air temperature below 65 degrees for a night game
• We will consider opening the roof at the conclusion of the 6th inning when the heat index is at or below 86 degrees and conditions are clear






Universal Ground Rules:

The Commissioner’s Office has issued the following Universal Ground Rules for use in all Major League ballparks this season. Ground Rules pertaining to individual parks are posted separately in those parks.