Former NBA player Jason Collins has died of brain cancer at 47. Collins was the NBA’s first openly gay player, serving as a global ambassador for the sport for the last decade. His family confirmed in a statement that he died of complications due to one of the a form of brain cancer, Stage 4 glioblastoma. "We are heartbroken to share that Jason Collins, our beloved husband, son, brother and uncle, has died after a valiant fight with glioblastoma," reads the statement. "Jason changed lives in unexpected ways and was an inspiration to all who knew him and to those who admired him from afar. We are grateful for the outpouring of love and prayers over the past eight months and for the exceptional medical care Jason received from his doctors and nurses.…