Donald "Slick" Watts died on Saturday, March 15. The Seattle Supersonics fixture was 73. Here's what we know about his cause of death.

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, signature crooked headbands and frequent presence around the Seattle sports scene.

Watts, who had a stroke in 2021, had been in poor health since. Grandson Isaiah Watts, who plays for Washington State, praised his grandfather on X: “I pray every time they see