The Big 10 with 53
In terms of NFL, most likely bigger, linemen are getting bigger on average. No person could survive on the offensive line in major college football or NFL at 270 lbs. In college, if the spread offense gets used more and more, then smaller, coaches in that system like lighter linemen, not many over or at 300lbs in say Rich Rod's scheme.
The Height of a defensive linemen usually is 6,0 - 6,8 feet tall. Most of them are 6,4
as of this year only the Vikings have
Grambling State University
Defensive linemen numbers in the NFL are usually anywhere from 70-99