... betting line is really nothing more than a guess, an educated guess, but still a guess.

Sometimes a team just commits too many penalties and allows the other team to stay in a game. Other times the underdog just finds a way to win a game all the pundits say they should've lost.

And sometimes, the upset is the turning point for a team that's finally found a way to be a good team again.

Whatever the reason—here's a look at some Week 4 games that could end in upsets.

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