Power rankings: Texans take over at the top

1. Houston Texans: Schaub outplayed Manning in statement win for Houston. 2. Atlanta Falcons: Balanced, all-around effort from most impressive team in the NFC. 3. San Francisco 49ers: Looked like top team last week, then laid an egg vs. Vikings. 4. Baltimore Ravens: Emotional effort by Torrey Smith (6-127-2) despite heavy heart. 5. New York Giants: Who needs Ballard, Manningham? Bennett, Barden stepping up. 6. Arizona Cardinals: Proved the defense is for real and finally got Ryan Williams going. 7. Green Bay Packers: Which feels worse: the Seattle loss or the fact that Vikings are 2-1? 8. ...