The loss was a big reason why Dallas missed the 2005 playoffs while the Redskins advanced .
Parcells about the Cowboys ' 35 - 7 loss at Washington on December 18 , 2005 .
The loss was a big reason why Cowboys missed the 2005 playoffs while the Washington advanced .
Parcells about the Cowboys ' 35 - 7 loss at Washington on December 18 , 2005 .