... Sunday.  Every week, an underdog outperforms a supposedly superior opponent and is able to steal a victory.  

In Week 1 it was Kansas City over San Diego.  Week 2's was Cincinnati defeating Baltimore.  Then St. Louis beat Washington.  Most recently, Jacksonville's late-game heroics shocked Indianapolis.

This weekend will prove no different, as there will surely be a handful of games between teams that are much closer than anticipated, and some whose final outcome will shock.

Following are five upsets to watch out for in the NFL's Week 5.

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