Answer: satch

AnswerCrossword Clue
SATCHPaige, informally
SATCH"... Plays Fats" (1955 jazz album)
SATCHFormer Celt Sanders
SATCHArmstrong, informally
SATCHCeltic legend Sanders
SATCHNegro League legend Paige, familiarly
SATCHPitcher Paige, familiarly
SATCHLouis Armstrong nickname
SATCHLouis Armstrong, to friends
SATCHNickname for Louis Armstrong
SATCHSanders of the Celtics, familiarly
SATCHArmstrong handle
SATCHEx-basketballer Sanders
SATCHLouis Armstrong.
SATCHJazz great, to fans
SATCHPitcher Paige, for short
SATCHPaige, to pals
SATCHImmortal Jazz trumpeter, to fans
SATCHPitcher Paige, to pals
SATCH".. Plays Fats" (1955 jazz LP)
SATCHJazz trumpeter's nickname