Former Phoenix Suns general manager Lance Blanks died by suicide ... his daughter revealed.
In an emotional piece that Riley Blanks Reed penned for ESPN on Tuesday morning ... she announced Lance killed himself last Wednesday.
"People will want more information," Blanks Reed said of her father's death. "But the fact is we will never truly know why. And we don't need to. All we need to do is remember him, honor him, celebrate him and pour our love into the family that made him happy.