"NFL Power Rankings: Dolphins Take the Lead in Week 4, Browns and Packers Rise"

The Week 4 NFL power rankings show the San Francisco 49ers and Miami Dolphins leading the pack with perfect 3-0 records, followed closely by the Philadelphia Eagles. The Dallas Cowboys, who were previously ranked No. 1, have dropped to fifth place. Other notable teams include the Buffalo Bills, Seattle Seahawks, and Detroit Lions. The rankings also highlight the struggles of the Minnesota Vikings, Las Vegas Raiders, and Chicago Bears, who are all winless so far this season.