Stadiums are poor investments for cities.

http://reason.com/blog/2015/04/29/the-ultimate-baltimorebaseball-symbolism#.omclkn:mOMA

None of the cities that banked on downtown "stadium stimuli" have reversed their population losses. Between 2000 and 2010, Baltimore lost 30,193 residents (4.6 percent of its population), St. Louis, 28,895 (8.3 percent), Pittsburgh, 28,859 (8.6 percent), Cincinnati, 34,340 (10.4 percent), Cleveland, 81,588 (17.1 percent), and Detroit, 237,493 (24.9 percent). Meanwhile, some cities that have refused to subsidize stadiums have fared much better