Carl Nassib First Active NFL Player to Come Out as Gay –
The N.F.L.'s Carl Nassib Broke a Barrier. Will Others Follow? - The New York Times
Five Years After Michael Sam, Is The NFL Ready For An Openly Gay Player?
Opinion: Why Michael Sam Is a Footnote in History, Not a Trailblazer
Courageous character: Michael Sam will succeed in NFL - Elon News Network
There have been 11 known gay players in NFL history - Outsports
Michael Sam says gay NFL players 'do not have the same courage' to come out
N.F.L. Prospect Michael Sam Proudly Says What Teammates Knew: He's Gay - The New York Times
Michael Sam's draft-day kiss was sad starting point for spiral
Top NFL prospect reveals he's gay[1]
Michael Sam thanks Carl Nassib for coming out, donating to Trevor Project
Michael Sam still working on relationship with his father after coming out - Sports Illustrated
Michael Sam thanks Carl Nassib for 'owning your truth' after historic revelation