Jean René Potvin (March 25, 1949 – March 15, 2022) was a Canadian professional ice hockey defenceman who played eleven seasons in the National Hockey League (NHL). He played for the Los Angeles Kings, Philadelphia Flyers, New York Islanders, Cleveland Barons, and Minnesota North Stars from 1970 to 1981. He was the older brother of Denis Potvin and cousin of Marc Potvin. Early life Potvin was born in Ottawa on March 25, 1949. His father, Armand, worked as a civil servant; his mother, Lucille (St-Louis), was a housewife and a caterer. He began his junior career in 1967–68 with the Ottawa 67's of the Ontario Hockey Association, alongside his brother Denis. Playing career Potvin began his professional hockey career in December 1969 with the Springfield Kings in the American Hockey League (AHL). The next season in 1970–71, he led all defencemen on the team in scoring as he played on the Springfield Kings' Calder Cup-winning team with teammates Butch Goring and Billy Smith. During that playoff season, Potvin scored two goals and had 10 assists for 12 points in 12 games. A decade later, Goring, Smith, and Potvin would play together again on the first two New York Islanders' Stanley Cup-winning teams, in 1980 and 1981. He was traded along with Ross Lonsberry, Bill Flett and Eddie Joyal from the Kings to the Flyers for Serge Bernier, Bill Lesuk and Jim Johnson on January 28, 1972. During his 11-year career, Potvin scored 63 goals and had 224 assists in 613 career NHL games. He led the league in games played with 78 in 1973–74. Two seasons later, he was the second-highest-scoring defenceman in the NHL with 72 points (17 goals and 55 assists). The only other defenceman to have more points that season was his brother Denis, with 98 points (31 goals and 67 assists). On January 22, 1976, in a game against the Detroit Red Wings at Nassau Coliseum, Potvin scored three goals and also added an assist, while his brother Denis had two goals and two assists of his own. Two of Jean's goals came on the power play, with his final two goals coming 45 seconds apart. Potvin's hat trick is the only one by an Islanders defenceman not had by Denis. Potvin was involved in the last Christmas Day fight in NHL history. Potvin, who played for the Los Angeles Kings at the time, fought Ernie