New pro football league to debut in 2019 - Big Blue View
New England Patriots Announce Full 2022 Schedule
National Football League - Wikipedia
Pro football: Will new leagues like AAF, XFL change NFL, college game?
The N.F.L. Experiments With Letting All the Quarterbacks Play - The New York Times
Kareem Hunt Suspended Eight Games for Videotaped Altercation - The New York Times
The Super League That Wasn't - The New York Times
Giants' habit of winning close may not lead to their demise
Official Site of the National Football League
Another Pro Football League Is Born. Will It Outdo the (Short-Lived) Others? - The New York Times