... the Ravens (3-2) travel to Minneapolis to square off against an impressive, undefeated Vikings team, featuring the league's best running back and an un-retired NFL legend.

And the Vikings defense isn't too shabby, either. Anchored by DE Jared Allen, the Vikings' D leads the league with 18 sacks and nine forced fumbles this season.

In order for the Ravens to pull off the upset in Minnesota, they need to:

1) Force Brett Favre to make plays (by stopping Adrian Peterson).

Facing the Vikings offense, you really need to pick your poison: they're capable of beating you through the air or on the ground. Only the Saints (36) and Eagles (31.8) average more points per game than the Vikings (31.2). Brett F...

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