sentences:  New York Giants owner Horace Stoneham was expected at the opener along with Senator A. Harry Moore.Rain washed out the planned events and the opening was postponed until April 23 with Mayor Hague throwing out the first pitch and Sen. Moore and owner Horace Stoneham on hand for the ballpark's dedication.The stadium was also the home field of the Jersey City Giants, and was used for seven "home" games by the Brooklyn Dodgers during their last couple of seasons in Brooklyn, 1956 and 1957.