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The Official Site of the Arizona Diamondbacks

Chase Field Ground Rules

Outfield Area:

Batted ball in flight strikes fence of right field corner wall and leaves the field: Home Run.

Batted ball in flight strikes the black pool gate beyond the right-center field fence: Home Run.

Batted ball in flight strikes right of yellow line in right center or left of line in left center: Home Run.

Batted ball strikes centerfield wall, girders or face of overhangs in centerfield on or between yellow lines and rebounds onto playing field: In Play.

Batted ball in flight strikes centerfield wall between yellow lines and caroms over shorter fence: Home Run.

Batted ball in flight striking above yellow line in batters' eye and rebounding onto playing field: Home Run.

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 and Exterior Wall Panels:

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