The 36-year-old actor, director, and producer appeared onscreen with his father in Rocky V and Daylight.
“Sylvester Stallone is devastated and grief-stricken over the sudden loss of his son Sage Stallone,” a representative reported. “His compassion and thoughts are with Sage‘s mother, Sasha. Sage was a very talented and wonderful young man, his loss will be felt forever.”
Our thoughts and prayers are with Sylvester and his family during this difficult time.