Jason Collins, Joe Kennedy III

NBA veteran Jason Collins, left, the first active player in one of four major U.S. professional sports leagues to come out as gay, marches in Boston’s gay pride parade alongside U.S. Rep. Joe Kennedy III, a college roommate, Saturday, June 8, 2013, in Boston. Collins said he realized he needed to go public when the Democratic congressman walked in Boston’s gay pride parade last year and Collins decided he couldn’t join him. (AP Photo/Mary Schwalm)