Former Cowboys, Bucs DE Ryan Russell says he is bisexual in ESPN story
After Making NFL History, Carl Nassib Is Retiring
FIFA referee: In football 30-40 percent are homosexual or bisexual
Homosexuality in American football - Wikipedia
10 NFL Stars Who've Come Out as Gay or Bisexual
Carl Nassib Becomes First NFL Player to Come Out As Gay - The New York Times
First male international soccer player comes out as gay
Jake Daniels Becomes UK's First Openly Gay Soccer Pro in 32 Years
20 Professional Men's Soccer Players Who Have Come Out
Every NFL team has at least one gay or bisexual player, according to former Pats lineman Ryan O'Callaghan, but they fear backlash for coming out including losing sponsorships or even their place
Out NFL star Carl Nassib confirms former Olympian is his boyfriend