Through the 2006 season, that was Casey Dailey (1994-1997) with 28 career sacks.
Bruce Smith 200 sacks
Derrick Thomas
Lamar woodley
Shaun Phillips
Claude Humphrey holds the record for most sacks made by an Atlanta Falcon. When he played for the Atlanta defense from 1968-1978 (10 seasons) he had 94.5 career 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.
Trev Alberts
Reggie White set the Eagles single season record with 21 sacks in 1987.
Rickey Jackson
Texas A&M 1991 - 56 sacks
lsu
Derrick Thomas with 7