In terms of physical attributes, how do linebackers differ from linemen?

Linebackers are generally characterized by their quicker and more agile physical attributes compared to linemen. This agility is crucial for their role on the field, as they need to quickly move in response to plays, change direction, and pursue offensive players with speed. Linebackers often have a combination of strength and speed, enabling them to tackle effectively while also remaining versatile enough to cover passes or drop back into coverage when necessary.

In contrast, linemen typically have more bulk and mass, which aids them in their primary role of blocking and controlling the line of scrimmage. Their physical build is designed to withstand and impose force, which is essential for the rigorous engagements they face during plays. This distinction in agility and quickness highlights a fundamental difference in the physical requirements and skill sets between the two positions.