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Sports betting

It isn't just Las Vegas oddsmakers who think this game is a big deal.

It's the biggest betting day in that particular sports gambling capital, but it's the second-biggest sports betting day worldwide -- behind only world soccer's Champions League final. In Nevada alone, however, the folks at LVH Superbook said last year's matchup between the New York Giants and New England Patriots brought in nearly $94 million in bets, just shy of the $94.5 million record set before the Pittsburgh Steelers' win over the Seattle Seahawks in 2006.

This doesn't always mean great things for Nevada bookies, however. Though the New England Patriots helped the bookmakers take in more than $15.4 million by not covering the point spread against the Philadelphia Eagles in 2005, they cost those same oddsmakers nearly $2.6 million when the Giants upset the Patriots in 2008.