Disconcerting Numbers for the Vikings?

In 2008, the Minnesota Vikings finished 5th in the NFL in rushing offense, averaging 184 rushing yards per game. Conversely, the team finished 25th in the league in passing with a paltry 145-yard-per-game average. Those feats led the Vikings to twelfth in the league in points--14th after adjusting for defensive points contributed.The Vikings' 2008 numbers sufficed to win the NFC North and give the team a first-round playoff game against the Philadelphia Eagles. The resulting loss evidenced a team strong in the rushing game and weak in the passing attack.Five games into the 2009 NFL season, the Vikings are averaging 31 points per game--good for third in the league. And while that number is far superior to the 24 point average that the Vikings had in 2008, there are reasons for concern.The Vikings established their 2008 numbers against teams with a combined record of 135 and 137--a nearly .500 winning percentage.One-third of the way through the 2009 season, the Vikings have am...