In his later years Watts taught physical education in the Seattle School District and ran a basketball academy with his son. He was named to the Sonics' 40th anniversary team.

Former Seattle Supersonics guard Donald "Slick" Watts has died at 73, his son announced on social media. Watts, an undrafted free agent in 1973, emerged as a fan favorite in the Pacific Northwest due to his stellar play,

Donald “Slick” Watts, the former Seattle SuperSonics guard and fan favorite, died on Saturday. He was 73. Watts, who earned his nickname from his shaved head and crooked headbands, also was a popular teacher, coach and strong supporter of basketball in Seattle.