From Brian Slack:
Matt Anoa'i passed away on April 17, 2017 at the age of 47. He was best known as being part of the 3-Minute Warning with his cousin Eddie Fatu and then later The Hurricane's sidekick. He was release by the WWE in 2006.
He is the son of Sika Anoa'i and the brother of current WWE Superstar Roman Reigns. He is also the cousin of WWE Superstars The Usos (Jimmy Uso & Jey Uso).