In this Oct. 14, 2003 file photo, Chicago Cubs left fielder Moises Alou's arm is seen reaching into the stands, at right, unsuccessfully for a foul ball along with a fan identified as Steve Bartman, left, wearing headphones, glasses and Cubs hat, during the eighth inning against the Florida Marlins in Game 6 of the National League Championship Seriesin Chicago. // The Steve Bartman incident (AP Photo/Morry Gash, File)

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In this Oct. 14, 2003 file photo, Chicago Cubs left fielder Moises Alou's arm is seen reaching into the stands, at right, unsuccessfully for a foul ball along with a fan identified as Steve Bartman, left, wearing headphones, glasses and Cubs hat, during the eighth inning against the Florida Marlins in Game 6 of the National League Championship Seriesin Chicago.

One of the more infamous moments of fan overzealousness happened without a spectator ever setting foot on the field. In 2003, the Chicago Cubs were in prime position to possibly win their first World Series championships since 1908. In Game 6 of the National League Championship Series, the north siders held a 3-2 advantage in the series and a 3-0 lead heading into the eighth inning against the upstart Florida Marlins. With one out, Marlins second baseman Luis Castillo hit a foul ball that headed for the left field stands. Cubs left fielder Moises Alou tried to catch the ball, but was prevented from doing so by hometown fan Steve Bartman. And then the Cubs went off the rails. The Marlins scored eight runs in the inning on the way to a Game 6 win and won Game 7 the next day as the Cubs' World Series draught stretched to 95 years. Cubs fans were so livid with Bartman that his house had to be guarded by as many as six local police cars to prevent attacks.