By Ricky McRoskey

Over the past several years, a number of big U.S. banks, basking in the glow of the housing boom, affixed their names to big-league stadiums and arenas. Fast-forward to the summer of 2008, when the subprime mess has roughed up a number of mighty financial institutions, and sacked their share prices for hefty losses. How are the bank sponsors of big ballparks doing now? BusinessWeek takes a look.