The accused mobster, son of a legendary Mafioso named “Quack Quack” was denied bail Tuesday in the sensational case involving NBA-tied rigged card games — over concerns he’d return to his witness-tampering ways.

Lawyers for Anthony Ruggiero Jr., 53, had pushed for a $5 million bond insured by his family and friends during the reputed Gambino mobster’s bail hearing in Brooklyn federal court.

But Judge Joseph Marutollo agreed with prosecutors that Ruggiero’s history foreshadows what he’d do if released: tamper with a witness.

Marutollo noted that Ruggiero, when incarcerated in a past case, had threatened to kill a witness.

“He made his hand in the shape of a gun and said, ‘You know how we take care of rats up close and personal,” the judge said of the son of notorious late mobster Angel

See Full Page