The first active professional athlete from a major North American sport said in the article, "I'm black and I'm gay."
Celebrities have taken to Twitter to stand by Collins and commend him on his bravery.
Busy Phillips: I'm so impressed with @JasonCollins34 eloquence & bravery. I hope this inspires others who may be struggling.
Christine Teigen: I dunno who you are Jason Collins but I am extremely proud of you if that means anything.
Steve Nash: The time has come. Maximum respect.
Collins' most recent team also released an official statement via Twitter saluting the player.
"We are extremely proud of Jason & support his decision to live his life proudly and openly."