Well, you know I wasn't born then and not being as close as y'all (talking in terms of media and social hype), but my personal list would be the following...
1960's
Offense - Ken Stabler
Defense - Lee Roy Jordan
1970's
Offense - Major Ogilvie
Defense - Woodrow Lowe
1980's
Offense - Bobby Humphrey
Defense - Derrick Thomas
1990's
Offense - Shaun Alexander
Defense - George Teague
2000's
Offense - Tyrone Prothro
Defense - DeMeco Ryans
RTR,