National Football League - Wikipedia
What We Learned in the N.F.L.'s Conference Championships - The New York Times
What we learned from the NFL's conference championships – Sun Sentinel
NFL conference championships: 4 storylines to watch : NPR
Official Site of the National Football League
Prisco's NFC, AFC Championship picks, plus NFL awards predictions and latest on Aaron Rodgers' future
Predicting The 2020 NFL Conference Championship Games
Neutral site NFL conference championship games don't appear to be gaining support
NFL CBA approved - What players get in new deal, how expanded playoffs and schedule will work - ESPN