The Buffalo Sabres drafted Ray in the 5th round, 97th overall in the 1988 NHL draft. He played two full seasons with the Rochester Americans of the American Hockey League (AHL), cementing his reputation as a hockey fighter with over 700 penalty minutes in 125 games. Standing at 6’0″, Rob Ray was one of the toughest NHL hockey players through the 1990s. He combined an overall physical play with a lethal fighting ability. He was one of those players that you hate to play against, but love to have on your team Rob Ray ended his NHL career with 3207 career penalty minutes, ranking him 6th overall in NHL history.