I need your help!!!!!

[The Rookie]

I am going to put together a solitare NFL league .
I will play 16 games and have a playoff.
This may take me years to complete , and I will take my time.
What I need from all of you is opinons
What I need is your all time best teams from all teams
I know this will be hard but I will count them up and play the seasons with your help

Thanks