NBA champion Gus Williams, who played for 11 years and led the Seattle SuperSonics to their only championship in 1979, died on Wednesday at age 71. The Washington Wizards, who Williams played for in the final year of his career, shared the news on social media.

Gus Williams, the dynamic, score-first point guard who was named to two All-Star Games and earned the nickname “Wizard,” died Wednesday.

Former NBA point guard Gus Williams, who helped bring the only championship to the SuperSonics in 1979, died Wednesday at the age of 71, according to the Seattle Times. A cause of death was not revealed for the Mount Vernon,