Percy Harvin was not on the practice field Wednesday for the portion that is open to the media and it's clear there are growing concerns about the wide receiver's continuing issues with migraine headaches.
Brad Childress said this morning that Harvin is at Winter Park and was on the field for a walk-through, but the Vikings coach did not hide the fact that the team is exhausting all avenues in trying to find out exactly what is wrong and why the standout rookie continues to suffer from debilitating headaches.
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