Dirk Milton Graham is a retired Canadian professional ice hockey forward who played for the Chicago Blackhawks and Minnesota North Stars in the National Hockey League. He was honored in 1991 as the Frank J. Selke Trophy winner for outstanding defensive play by a forward. Graham served as head coach of the Blackhawks during the 199899 season before being relieved of his duties after 59 games. Graham was the first NHL captain of African descent.
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Source: Wikipedia