It's extremely hard to rank top 10 linebackers. There are so many different kind of players at the linebacker position. In a 3-4 defense, the outside linebacker becomes an edge rusher, nearly never in pass coverage. The two middle linebackers play a completely different role. This list will consider all types of these linebackers from the new trend of pass rushing linebackers to your old school hitters hard hitters that played in a 5-2 defense. Regardless of what their role, this list honors some of the hardest hitting and most reliable tacklers ever. These are the top 10 best linebackers in NFL history.