Pass rush has become the key requirement for defenses in the modern-day, pass-happy NFL.
Although elite pass-rushers rely on speed, agility and strength, it is not strictly a young man's game. There are a clutch of veterans over the age 0f 30 who consistently prove that even greybeards can still bring the pressure play after play.
Among the very best of this evergreen collection is a talented Indianapolis Colts double act and a Pittsburgh Steelers ace who began life as a training camp casualty of the Baltimore Ravens.
Here are the top five pass-rushers over the age of 30 who are still terrorising NFL quarterbacks.