Soaps In Depth reports that Graziadei will be "appearing in four episodes."
It is widely believed that Graziadei's return will coincide with the exit of his on-screen mom, Michelle Stafford (Phyllis Summers). Stafford taped her final Y&R scenes on June 19.
Graziadei joined The Young and the Restless in May 2004 and made his final on-screen appearance in January 2013.
Graziadei's short-term story arc begins Tuesday, July 30.