NBA legend Bill Russell dies at 88.

He was 11-time NBA champion with the Boston Celtics and the first Black head coach in the leaque.

 "It is with a very heavy heart we would like to pass along to all of Bill's friends, fans, & followers," the statement reads.

Russell won 11 championships with the Celtics, including eight straight from 1959 to 1966.

He was a five-time NBA MVP and a 12-time All-Star.

 As a coach for the Celtics, he led Boston to two titles, becoming the first Black head coach to win an NBA championship.

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