Jason Collins, a veteran NBA center, has become the first male professional athlete in the four major American sports leagues to come out as gay. Collins wrote a first-person account posted Monday on Sports Illustrated's website. He finished this past season with the Washington Wizards and is now a free agent. Michael Dwyer/AP hide caption

itoggle caption Michael Dwyer/AP

Jason Collins (left), then of the Washington Wizards, during a game this month against the Chicago Bulls. Jim Young /Reuters /Landov hide caption

itoggle caption Jim Young /Reuters /Landov