Week 6 Power Rankings: Three Undefeateds, But Only Two Elite Offenses

Six weeks in, and we've got three unblemished records atop the league—but let's be clear about the hierarchy here. San Francisco and Kansas City are scoring like championship contenders, posting 30.8 and 29.5 points per game respectively. Minnesota? They're 5-0 on grit and defense, limping to just 21.8 PPG. The…