Two-point conversion - Wikipedia
Nick Rose (American football) - Wikipedia
All-America Football Conference - Wikipedia
Garrett Gilbert - Wikipedia
2019 AAF season - Wikipedia
Early history of American football - Wikipedia
Kenneth Farrow (American football) - Wikipedia
The Koy Detmer Game, 17776: an American football story Wiki
Spring league Alliance of American Football to launch in 2019 on CBS
Conversion (gridiron football) - Wikipedia
Women's gridiron football - Wikipedia
Touchdown celebration - Wikipedia