Getty Quarterback J.J. McCarthy of the Minnesota Vikings. The Minnesota Vikings have only undrafted rookie Max Brosmer to whom they can turn in Seattle on Sunday, November 30 if JJ McCarthy doesn’t clear the NFL’s concussion protocol this week, but that won’t be the case for long. Albert Breer of Sports Illustrated predicted on Tuesday, November 25 that the Vikings will add at least one viable starting quarterback to the roster next offseason. The meaningful questions are what type of player