Carl Nassib, NFL's first openly gay player, retires after 7 seasons
Carl Nassib, first openly gay player to play in NFL games, announces his retirement - Las Vegas Sun News
Before Carl Nassib, Michael Sam was the NFL's first openly gay draft pick. He never played a regular season game.
Former Browns' DE Carl Nassib announces he is gay. Why this is news - Dawgs By Nature
Carl Nassib becomes first active NFL player to come out - KTVZ
Carl Nassib, 1st openly gay active NFL player, announces retirement - Watermark Online
Carl Nassib Announces His Retirement
Carl Nassib, first openly gay man to play in NFL games, retires after 7 seasons
Nassib Becomes First Active NFL Player to Come Out as Gay
Jason Collins on Carl Nassib's decision to announce he is gay - Los Angeles Times