Cover LBs on Buffalo's draft radar?

Due to the fact that the Buffalo Bills are going to have to figure out a way to contain Rob Gronkowski and Aaron Hernandez twice per season for the next few years, finding effective coverage-capable LBs is an important step in their ongoing revitalization. As it turns out, there are a few players in this year's draft class that could step right in to such a role -- either in situational fashion, or as a three-down player -- should the Bills choose to invest a pick on that spot.