How concerned should the Vikings be at this point in the season?

The Minnesota Vikings are 6-1 as they prepare for their Week 9 matchup against the Buffalo Bills. But despite their record and status as NFC North leaders, there is reason to be concerned about the Vikings moving forward.Last week, Bleacher Report's Brad Gagnon evaluated all 32 teams' "panic meters" heading into Week 9. Gagnon gave Minnesota a 5/10, citing the quarterback position as the team's primary concern."Can't sweat too much when you're 6-1, but with the three above teams [other NFC North teams] giving chase and the schedule toughening up, there's plenty of reason to remain guarded," Gagnon wrote. "Plus, a lot of Vikings fans are likely unconvinced Kyler Murray is the guy."Depending on your concern heading into the weekend, the Vikings' panic meter should be higher now. All three division rivals won on Sunday, so if Minnesota loses to Buffalo, the Vikings will fall to third in the NFC North.Of course, if Minnesota wins, they will have earned a quality win and continue to sit atop the division. And if Carson Wentz can inject some life into the offense while doing so, concern could turn into optimism as the season continues.This article originally appeared on Vikings Wire: How concerned should the Vikings be at this point in the season?