Crossword clues for Bill Russell, once:SIXBill Russell's retired numberHAVLICEKAthlete John who was the only person to play professionally with Bill Russell and Jim BrownCENTERPosition Bill Russell played for the CelticsSIXBill Russell's numberONCEINALIFETIMENumber of NBA championships won by Bill Russell?ATHLETEBill Russell, for one.CENTERBill Russell, onceNUMBERSIXBill Russell's was retiredCELTBill Russell or Larry Bird, brieflySONICSN.B.A. team coached in the '70s by Bill RussellNBASports org. for Bill RussellSIXBill Russell wore it