Chase Stuart
Footballguy
1970 - merger; 8 team playoff field
1975 - seeding begins. Now the team with the better record is never on the road, unless it's a WC team.
1978 - expanded from 8 team field to 10 team field
1982 - strike exception; 16 team field
1990 - expanded from 10 team field to 12 team field
2002 - same 12 team field but now 4 division winners
1975 - seeding begins. Now the team with the better record is never on the road, unless it's a WC team.
1978 - expanded from 8 team field to 10 team field
1982 - strike exception; 16 team field
1990 - expanded from 10 team field to 12 team field
2002 - same 12 team field but now 4 division winners