The City Planning Department and the Municipal Art Society collaborated to upgrade the Jets' proposal with a more rational use of existing streets and facilities.

WSJ: New York Stadium Deals: Good and Bad

Lou Warner, the principal of Tennessee-based Warner's Athletic, an athletic field construction company, said much of his municipal work these days involves converting the outfields in countless parks into multi-sport facilities for soccer, football and lacrosse use.

WSJ: As Baseball Season Beings, Kids Are Losing Interest in the National Pastime