The Vikings are one of two 4-0 teams, along with Denver, and one of three undefeated NFL teams, along with 3-0 Philadelphia.
Most impressive to me: They have yet to commit an offensive turnover. Their only turnover so far was Andrew Sendejo's fumble after recovering a Packer fumble.
And: Mike Zimmer's abiilty to take away dynamic receivers. The Vikings have shut down Kelvin Benjamin and Odell Beckham in consecutive games.
That dovetails perfectly with being a strong defensive team.
Concerns: Blair Walsh, offensive line depth.
Positives: McKinnon, who is the subject of my column; Cordarrelle Patterson becoming useful, and of course the defense.
Please check out our team coverage in the Monday paper and at startribune.com.
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