The gradual shift in pro football's contenders pulling away from the pretenders is in full force.
Teams like the Houston Texans, Atlanta Falcons and San Francisco 49ers all won games they were supposed to win. That's what great teams do, and some changes occurred inside the top 10.
Elsewhere, teams like the Indianapolis Colts, Pittsburgh Steelers and Miami Dolphins all got key wins to get back on track. With the sixth week of the 2012 season coming up fast, significant challenges await for those needing to make a statement.
That said, here are grades for each team through five weeks of play.