By Jelani Scott The basketball legend and civil rights pioneer died on Sunday at the age of 88. The sports world lost a trailblazing icon on Sunday with the death of 11-time NBA champion and basketball Hall of Famer Bill Russell at the age of 88. Universally regarded as one of the greatest and most important players in the sport’s history, Russell forged an indelible legacy during his 13-year NBA career, winning 11 titles and five MVPs with the Celtics from 1956 to ’69. Among his countless achievements both on and off the floor, Russell, a two-time Hall of Fame inductee and 2010 Presidential M…