CHICAGO, IL - SEPTEMBER 15: Brandon Marshall #15 of the Chicago Bears is introduced before a game against the Minnesota Vikings at Soldier Field on September 15, 2013 in Chicago, Illinois. The Bears defeated the Vikings 31-30. (Photo by Jonathan Daniel/Getty Images)
Updated: March 24, 2014 5:04PM
Earlier this month, Chicago Mayor Rahm Emanuel said the Chicago Park District was exploring the possibility of expanding it by 5,000 seats.