Body fat varied significantly across playing position, with the defensive backs, offensive backs, and receivers being the leanest and the offensive linemen and tight ends the most fat.

Are defensive linemen fat?

The researchers found significant differences between positions, regardless of playing level. The average body fat percentage for linemen was 24.8%, compared to 15.3% for athletic positions and 12.1% for skilled positions.

Are defensive ends big?

In the 3–4 defense, defensive ends are used primarily as run stoppers and are much larger than the normal size of a player at this position. ... Defensive ends in the 3–4 defense average a height of 6′3″–6′8″ and a weight of 285–315 lbs.