49ers and Chiefs suffer first losses in Week 7, Vikings remain unbeaten

The San Francisco 49ers and Kansas City Chiefs both dropped their first games of the season in Week 7. The 49ers lost 29-20 to the Atlanta Falcons, unable to cope without Christian McCaffrey, falling to 6-1. The Chiefs fell 20-3 to the Seattle Seahawks, marking a poor offensive display for Patrick Mahomes. Meanwhile, the Minnesota Vikings maintained their perfect record at 6-0 after shutting out the Indianapolis Colts in the second half of their recent game. The Vikings' next month features a difficult schedule with matchups against Detroit, Green Bay, and San Francisco.

• 3:22 AMYahoo Sports — Which NFL teams are still undefeated? Updated standings for Week 7 after Chiefs, 49ers fall for first time