Carl Nassib is out, but he's not the first gay player in the NFL, or even in Washington - Hogs Haven
Nassib Becomes First Active NFL Player to Come Out as Gay
Carl Nassib Becomes First Active NFL Player to Come Out as Gay: “I Truly Love My Life”
Who is Carl Nassib? The First Openly Gay NFL Player - The New York Times
Carl Nassib comes out as gay, but most NFL players stay silent - Sports Illustrated
Carl Nassib, first openly gay player to play in NFL games, announces retirement
Carl Nassib, the first out gay NFL player, retires
First active NFL player to announce he's gay
Raiders' Carl Nassib becomes the first active NFL player to come out as gay
Luckiest Guy' Nassib, NFL's First Openly Gay Player, Retires