Jason Collins , who along with his twin brother Jarron, helped lead Harvard-Westlake to a pair of California Interscholastic Federation (CIF) state titles in boys basketball has died at the age of 47. He had battled glioblastoma, an aggressive form of brain cancer. The NBA and the Collins family made the announcement on Tuesday. Leading a California High School Basketball Powerhous e Harvard-Westlake posted a sensational 123-10 record while Collins was in the program (1994-97) and finished with 1,500 rebounds, then the fourth-highest total in California history. In addition to the Collins twins, actor Jason Segel was a member of those Wolverines squads . Collins capped his high school career by playing in the 1997 McDonald’s All-American Game. From Stanford to the NBA He played his college basketball at Stanford where he earned All-Pac 10 and All-American honors before becoming a first-round NBA draft pick of the Houston Rockets in 2001.…