Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers

NBA Retires Bill Russell's Number 6 League-Wide, Memorial Patches

NBA retire number 6 jersey to 'honour the life and legacy' of Bill

Retired number - Wikipedia

Bill Russell - Wikipedia

Bill Russell's No. 6 jersey to be retired league wide

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Titans' Lewan Says NFL Should Retire Tom Brady's No. 12

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