Simplify the following text for a Grade 5 native English-speaking person.
Original: Lindy Cameron Ruff ( born February 17 , 1960 ) is the head coach of the Buffalo Sabres of the National Hockey League . Ruff played in the NHL for the Sabres and New York Rangers as a left winger\/defenceman .
Simplified: Lindy Ruff is the current head coach of the Buffalo Sabres .