Lindy Cameron Ruff (born February 17, 1960) is a Canadian head coach for the New Jersey Devils of the National Hockey League (NHL). Ruff was previously the head coach of the Dallas Stars of the NHL, and also the head coach of the Buffalo Sabres from 1997 to 2013, with whom he won the Jack Adams Award as Coach of the Year in 2006. During his playing career, Ruff played in the NHL for the Sabres and Rangers, the former of which he captained.