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NFL Power Rankings for Week 5: 49ers, Cowboys lead upheaval

Perhaps the 49ers truly are for real, and the Cowboys are not. There has been no movement in the No.1 spot of The Post’s NFL Power Rankings all season, but the rest of the Top-5 has been filled with upheaval, as the Colts’ Sunday night shutdown of the Chiefs leaves only two teams without a loss entering Week 6. The Rams and Cowboys continue to tumble after consecutive defeats while the Packers jumped four spots forward to No. 4 with their impressive showing in Dallas. The Raiders were the week’s biggest overall gainer, moving up six spots to No. 18 with their third straight win. 1. New England Patriots, 5-0 (Last week: 1): The Pats are 5-0 for the fifth time in their history and only the second time since 2007 after holding Was ...