NFL Top 10 Rankings: Vikings No. 1 After 49ers, Chiefs Fall

The San Francisco 49ers sat atop my rankings after each of the past three weeks. While the injuries mounted, it seemed like head coach Kyle Shanahan had built an efficient enough machine to withstand them. It all finally caught up to the 49ers on Sunday in Atlanta. Then, in the Sunday nightcap on the other side of the country, another undefeated team went down when the Seahawks dominated the Kansas City Chiefs. So, that leaves one unblemished team. Only one team in my top 10: Record: 4-2-1 Previous ranking: N/A ↑ J.J. McCarthy (right) helped power a big upset win…