"Chicago Bulls owner Jerry Reinsdorf is leading a venture that plans to build 260,000 square feet of restaurants, bars, a team store and event space in the sprawling parking lot east of the arena, according to documents obtained by Crain's. Chicago Blackhawks owner Rocky Wirtz would be part of the venture, which could include team offices, parking, a terrace and a green roof." [...] "The documents, prepared by the Metropolitan Planning Council and first presented to state legislative leaders in 2010, indicate the arena would add four restaurants, four bars, a team store and event space." [...] "Taxpayer subsidies for another private development owned by millionaires likely would be controversial, as the city and state work to slash their own budgets. The United Center was privately funded and its owners are not believed to be seeking any city or state aid beyond an extension of the tax cap."