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Each position has had additional players who have—at times—played as a starter, especially on the defensive side of the ball, so we'll take a quick look at a few of these players.
Asher Allen, Tyrell Johnson, Christian Ballard and Everson Griffen have all had time as a starter, with Allen and Griffen leading the way.
Allen has done a serviceable job as a cover-man for Minnesota, while Griffen has seemingly turned the corner as both a player and a person. Each of these two players have their idiosyncrasies, of course, but nothing that can't be worked on as time moves forward.
The young Ballard and Johnson both have a lot of work that has to be done if they are to eventually become the impact players that the Vikings had hoped for. Johnson has been the bigger disappointment thus far.
Allen - C-Plus -
Johnson - D-Minus
Ballard - C-Plus
Griffen - B-Minus
Toby Gerhart and Devin Aromashodu have been thrust into the starting role thanks to injuries to MIchael Jenkins (Aromashodu) and Adrian Peterson (Gerhart).
Toby Gerhart has been much more of a standout than Devin Aromashodu, but that doesn't mean that both players haven't had their impact.
Aromashodu hasn't quite been able to establish himself as a short receiver, though, which does limit his overall ceiling.
Gerhart - B-Plus
Aromashodu - B-Minus