If you were to project a Minnesota Vikings' active roster going into the season right now, you'd probably end up getting at least 40-45 of the 53 who make it correct when it's all said and done at the end of this month.
Injuries, of course, can change the equation quickly, though, and in general, opportunity is there for people to rise up and earn a roster spot as preseason games approach.
ESPN tabbed their NFL beat writers to name the biggest position battle for each team right now, ahead of the first preseason game for 30 teams.