The history of the NFL on Christmas Day – The Swing of Things
101 amazing NFL facts that will blow your mind
Why football matches are no longer played on Christmas Day in the UK - Daily Star
(GOOGL) Snags NFL's Sunday Ticket Rights in Latest Shift Online - Bloomberg
NFL Ratings Decline 2% as Draws Fewer Streaming Viewers - Bloomberg
NBA's Christmas Tradition Could Be ChallengedBy The NFL
NFL History on Christmas Day - Acme Packing Company
NBA's Christmas Tradition Could Be ChallengedBy The NFL
NFL on Christmas Day: Most memorable games of the last 51 years
The ESPN Daily podcast -- How to listen, episode guide and more - ESPN