The 2012 NFL season, the 93rd regular season of the National Football League, began on Wednesday, September 5, 2012, with the defending Super Bowl XLVI champion New York Giants hosting the Dallas Cowboys in the 2012 NFL Kickoff game at MetLife Stadium, and ended with Super Bowl XLVII, the league's championship game, on Sunday, February 3, 2013, at the Mercedes-Benz Superdome in New Orleans, with the Jim Harbaugh-coached San Francisco 49ers facing the John Harbaugh-coached Baltimore Ravens. Super Bowl XLVII marked the first time two brothers were head coaches for opposing teams in the championship game.