Restelli achieved a measure of fame with the Pirates, when he hit a record seven home runs in his first ten games. He finished his rookie season with 12 home runs in 72 games. Restelli is tied with Trevor Story and Trey Mancini for most home runs through a players first 12 career games.
After his baseball career, he became a San Francisco police officer. He later settled in nearby San Carlos, California where he died at age 81 in 2006.