Sage Moonblood Stallone (May 5, 1976 – July 13, 2012) was an American actor, film director, film producer, and film distributor. Sage was born in Los Angeles, California, the elder son of Sasha Czack and actor Sylvester Stallone. He was the brother of Seargeoh Stallone, and half-brother of Sistine, Sophia, and Scarlet Stallone.

As a child, Stallone made a guest appearance on "Gorgeous Ladies of Wrestling", brought by his grandmother Jackie Stallone, who promoted the series.

Stallone made his acting debut alongside his father in "Rocky V" (1990), the fifth installment of the Rocky franchise, playing Robert Balboa Jr., the onscreen son of his father's title character. He did not, however, reprise the same role in "Rocky Balboa", the sixth installment of the Rocky films as he was working on his own film "Vic". He also appeared with his dad in "Daylight" (1996). After that, he acted in lesser profile films.

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