What did the Skins' beating the Eagles in Week 4 teach us? Did it underscore, as Donovan McNabb said, that the Eagles made a mistake? Maybe, but the big lesson was this: Each team has major defensive issues, and the Cowboys can exploit them.
Football Outsiders analyzes the Falcons' win over the Saints in Week 3. What did we learn? The Saints' defense will struggle in close games (that could doom them), and the Falcons might become one of the league's elite teams.
Vince Verhei of Football Outsiders looks at the Bears' upset of the Cowboys. Dallas' O-line problems are well-documented, and a bad sign for the 2010 season. Meanwhile, the Bears' run defense has been amazing, and could carry them to January.