... Michael Vick's Philadelphia Eagles and Donovan McNabb's Washington Redskins.

Of course, it didn't turn out to be the battle it was billed as. Vick left the game very early with a rib injury and Kevin Kolb took over.

In the other 13 games that took place on Sunday several surprising revelations turned up as well.

Here are 25 things we learned during the fourth Sunday of the 2010 NFL season.

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