 Unlike Giants Stadium (in which the Giants were the sole NFL tenant until the 1984 season), the new Meadowlands Stadium will be a 50/50 partnership between both New York teams.The Giants played their first regular season game on September 12 against the Carolina Panthers, while the Jets played the following night against the Baltimore Ravens in the first game of a "Monday Night Football" doubleheader.Arrowhead Stadium, home of the Kansas City Chiefs since 1972, underwent a two-year $375 million renovation project which was completed and unveiled in July 2010.