Defensive end.
bruce smith
The linebacker with the most sacks in an NFL season is Justin Houston of the Kansas City Chiefs. He finished with 22.0 sacks in 2014.
In 1981 Klecko had 20.5 sacks and Gastineau had
Elvis Dumervil of the Denver Broncos. He had 17 sacks.
There isn't really a record kept for fewest sacks in a season by a player, as there are thousands of NFL players who have not had any sacks. Michael Strahan holds the record for most sacks in a season, at 22 1/2.
Through 12 games of the 2012 season that is DE Aldon Smith of the 49ers with 17.5 sacks.
Unfortunately, Karras retired after the 1970 season. The NFL did not begin recording sacks officially until 1982.
Texas A&M 1991 - 56 sacks
Shaun Phillips
The 1986 Chicago Bears
lsu