how many nba championships have bill russell won
Bill Russell. William Felton Russell (born February 12, 1934) is an American retired professional basketball player. Russell played center for the Boston Celtics of the National Basketball Association (NBA) from 1956 to 1969. A five-time NBA Most Valuable Player and a twelve-time All-Star, he was the centerpiece of the Celtics dynasty, winning eleven NBA championships during his thirteen-year career.