There have been 11 known gay players in NFL history - Outsports
Jonathan Romero is the first and only male cheerleader for the San
Meet the 4 known gay players to have played in a Super Bowl
Kennedy McDowell feels support as a gay Colorado State football
Kevin Maxen becomes first male coach in a US men's pro sports
Carl Nassib made queer NFL history. Now he's stepping away
Homosexuality in American football - Wikipedia
Kennedy McDowell feels support as a gay Colorado State football
How Carl Nassib's Coming Out Made NFL History : NPR