Sportsbooks like to put up high odds on underdog teams winning the Super Bowl when the playoffs start. They then watch as gamblers throw money away chasing the dream that one of those teams can actually win the big game.

This week, sports books have changed their tunes when it comes to odds on winning the Super Bowl. The New England Patriots and Green Bay Packers will have to do their jobs and avoid upsets, or the sports books could be holding their breath in the championship game.

The Patriots have become even more of an overwhelming favorite to finish undefeated and with the Lombardi Trophy. Their current odds are minus 400 to win the Super Bowl. Yes, you are reading correctly. It means gamblers will have to lay $400 to win $100.

The Packers have seen their odds of winning drop to five to one. Not a bad payout if you believe the Brett Favre led Pack is a team of destiny.

The Chargers are now at seven to one to win it all. That number has dropped from what was last week, eighteen to one.

The Giants might be the wild card in all of these future odds. Last week, New York was thirty to one to win the Super Bowl. This week their odds have dropped to fourteen to one. It is last week’s number, however, that should scare the sports books. There are many Giant followers around the country, and that number last week surely enticed even the most disciplined of gamblers.

So this week, the sports books will sit back and for one of the few times, be rooting for the favorites. A win by both favorites will put them back on the side of the underdog in the Super Bowl, but an upset by the Giants this week, could make for a long two weeks for odds makers.