Part of the excitement of the NFL is watching huge grown men hit each other at full speed, but when a line is crossed it becomes dangerous and nobody likes to see players get seriously injured. These 15 players put others in harm’s way with dirty play.
15. LB Clay Matthews - Green Bay Packers
Matthews isn't as infamous for being a dirty player as some of the other players on this list, but that's because he's sneaky about it. He will hit the quarterback late, dive low on ball carriers and wrap up high. He hasn't had a huge incident, but he has had several small ones that have added up.