Gus Williams, the beloved Seattle SuperSonics star who led the franchise to its only NBA championship in 1979, died Wednesday at age 71.

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,

Undersized but speedy and known as the Wizard for his acrobatics, he was a high scorer who in 1979 starred in a series that brought the SuperSonics their only crown.