The deal will allow Mercedes-Benz USA to have its name associated with championships in college and pro football and men's college basketball over the next 16 months -- plus an NFL team that has gone from a doormat to Super Bowl winner. The stadium also hosted a Republican presidential convention and a visit from the pope, and once served as refuge for thousands of victims of Hurricane Katrina.The Saints' home and the site of the Allstate Sugar Bowl, 2012 Allstate BCS National Championship Game and 2012 Final Four will now be referred to as the Mercedes-Benz Superdome. Chris Graythen/Getty Images