NFL Draft 400: Ranking the Draft's Top Defensive Linemen

Scouts and general managers have called the 2018 NFL draft class average, but we still have questions. Who is the best overall player? How about the best at each position?

The NFL Draft 400's goal is to figure that out.

We tracked, scouted, graded and ranked the top 400 prospects with help from scouting assistants Marshal Miller, Dan Bazal and Jerod Brown. Together, we viewed tape of a minimum of three games per player—the same standard NFL teams use. Oftentimes, we saw every play from a prospect over the last two years.

Strengths and weaknesses figured into the grades, with a pro-player comparison added to match the prospect's style or fit in the pros. The top 400 prospects will be broken…