The first out active NBA player will wear number 98 with the Nets as tribute to Matthew Shepard, the gay college student whose murder in 1998 fueled the adoption of hate-crime laws.
Collins played 11 minutes for the Brooklyn Nets against the Los Angeles Lakers and was greeted warmly by fans.
A group of athletes spoke at the U.N. about the importance of combating homophobia in sports.
U.K. advocacy group Stonewall launched its new campaign to fight homophobia in sports, called 'Right Behind Gay Footballers.'
The two appeared at an LGBT-focused Democratic fund-raiser this week.
The two brothers joined Jimmy Kimmel for a lighthearted interview.
LeRoy Butler was axed from a church speaking engagement because he supported Jason Collins's coming out.