Snowden played 174 NRL games and represented NSW and Australia over his 12-year career.
“It has been a tough year not being able to contribute to the team but my body just couldn’t do it anymore,” Snowden said.
“A number of injuries, but primarily my neck, have forced an early retirement from the game that has been my whole life.”
Snowden made his debut for the Club in 2005, playing 14 games, before moving to Cronulla in 2008.
“To make my NRL debut for the Knights, it was something I had dreamed of since I was a kid,” Snowden reflected.
“It really meant everything to me and while I wish I could have been a one-club player, it didn’t pan out that way.
“I know I was a better person and player for moving away and coming back to the Knights.”