Scouts' Eye: D-line dissection

Ndamukong Suh, left, has the ability to anchor the Lions' defense for years to come. Haloti Ngata brings versatility to the Ravens' stout defensive line. US Presswire

Scouts Inc. takes a look at major offseason storylines every week:

For the past two weeks, I have taken a look at intriguing position situations. Two weeks ago it was running backs and last week receivers.