Clark "Jethro" Gillies (b. April 7, 1954, Moose Jaw, Saskatchewan, Canada) was a professional ice hockey player and is a member of the Hockey Hall of Fame. He provided both physical presence and offensive punch for the NHL's New York Islanders during their four-year run as Stanley Cup champions. He was known as the premier power forward of his day. In a career that spanned 958 games, Gillies notched 319 goals, 378 assists, and 1023 penalty minutes. Wikipedia
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