Kyle Anderson -- one of the best dart throwers in the world -- has died at just 33 years old ... the Professional Darts Corporation confirmed Monday.
"We send our condolences and best wishes to Kyle's family and friends at this terribly sad time, particularly his wife and children," PDC president Barry Hearn said in a statement.
"He was a popular player on the tour and his talent and dedication made him an inspiration to other players around the world."
No cause of death has been released.