Autopsy Underway For Sage Stallone (Report)

Access Hollywood
Sage Stallone pictured at the premiere of 'Rocky Balboa' at the Grauman's Chinese Theatre in Hollywood on December 13, 2006 -- WireImage

The L.A. County Coroner has begun the autopsy on Sage Stallone, according to TMZ.

Sources for the website say the autopsy will be completed on Sunday.

PLAY IT NOW: Sylvester Stallone Reloads For Expendables 2

According to investigators, there were no signs of foul play or trauma in the death of the 36-year-old actor, son of Sylvester Stallone and Sasha Czack.

Additionally, Sage could have been dead for three to four days prior to the discovery of his body, law enforcement sources reportedly told the website.

VIEW THE PHOTOS: Stars We Lost In 2012

As previously reported on, Sage was found unresponsive in his Los Angeles home Friday by an employee and a relative, and police arrived and confirmed he was dead, Assistant Chief Coroner Ed Winter said.

"Sylvester Stallone is devastated and grief-stricken over the sudden loss of his son," publicist Michelle Bega said in a statement. "His compassion and thoughts are with Sage's mother, Sasha."

Copyright 2012 by NBC Universal, Inc. All rights reserved.
This material may not be published, broadcast, rewritten or redistributed.

VIEW THE PHOTOS: Celebrity Offspring