The Buffalo Bills run a nickel defense as their primary personnel grouping, meaning that there is both an increased focus on linebackers and a decreased focus on the position grouping at the same time. Sure, that sounds contradictory, but it means that Buffalo may not need as many linebackers as some teams, but if their linebackers aren't good https://www.billssportapparel.com/collections/matt-prater-jersey , it's incredibly easy to because the Bills are only playing two linebackers at a time for most of their defensive snaps doesn't mean that the team can skimp on quality depth.