Vincent Pastore, the actor best known for playing mob enforcer Salvatore "Big Pussy" Bonpensiero in HBO's The Sopranos, has died at the age of 80. He was found in a Bronx apartment, and authorities are investigating the circumstances of his death, with the exact cause not yet disclosed.

Tributes have poured in from former co-stars including Jamie-Lynn Sigler, Michael Imperioli, Lorraine Bracco, Joe Pantoliano and Steven Van Zandt, who spoke warmly of his camaraderie on the acclaimed drama. His death coincided with Sigler singing the national anthem at a New York Mets game the same day, adding a poignant note for long-time fans of the series.