NHL center Colby Cave, who played for the Edmonton Oilers and the Boston Bruins, has died. He was 25. The Edmonton Oilers and Cave's family announced the news on Saturday morning. He passed away days after doctors at Sunnybrook Hospital in Toronto operated to remove a colloid cyst putting pressure on his brain, according to NHL.com. He had been in a medically induced coma since suffering a brain bleed overnight Monday, his team said.