Early Super Bowl preview: The Harbaugh brothers are not the only storyline

We'll certainly be covering all aspects of Super Bowl XLVII throughout the next two weeks at Shutdown Corner, but here are a few general observations about the upcoming game. Super Bowl XLVII San Francisco 49ers vs. Baltimore Ravens Sunday, February 3, 6:30 p.m. ET Mercedez-Benz Superdome, New Orleans, LA Over the next two weeks, there will be countless stories about "HarBowl I", as 49ers head coach Jim Harbaugh and Ravens head coach John Harbaugh are, in fact, brothers. That storyline is already testing the patience of football fans, and football scribes, everywhere, but when you step back for a minute, it is a rather impressive feat. Two brothers are coaching against one another in the Super Bowl! Prior to his team taking on the New England Patriots in the AFC Championship Game, John Harbaugh watched his younger brother's team cap off an impressive come-from-behind 28-24 win over the Atlanta Falcons while his own players stretched and warmed up on the field at Gillette Stadium. The elder Harbaugh brother sent a congratulatory message through a CBS camera and, after beating the Patriots 28-13, spoke of how proud he was of Jim's accomplishment. "[I] couldn't be more proud of Jim,"...