NFL Power Rankings, Week 7: Rams, Seahawks plummet; Texans, Saints, Cardinals biggest risers

Key Points:

• The San Francisco 49ers narrowly avoided collapse with a crucial sack in the final moments to secure their undefeated status, despite concerns about their close finishes and coach Kyle Shanahan's risky tendencies.
• The Kansas City Chiefs continued their winning streak with solid performances from Kenneth Walker III and Patrick Mahomes, overcoming some red-zone struggles against the Chargers.
• Buffalo Bills persistently win tight games, relying heavily on Josh Allen's playmaking despite underlying team flaws, as evidenced by a late comeback victory.
• Several teams, including the Vikings and Bengals, climbed in rankings due to others' losses and their own defensive strengths, while the Ravens faced setbacks without Lamar Jackson but remain respected.
• Struggling teams like the Broncos, Seahawks, Falcons, and Rams face significant challenges on offense and defense, with injuries and inconsistency impacting their playoff hopes and overall performance.