Tragic news ... Caleb Swanigan -- the former Purdue star who was later picked in the first-round of the 2017 NBA Draft -- has died at 25 years old.
A spokesperson for the Allen County Coroner’s Office in Indiana tells TMZ Sports ... the ex-Boilmaker center died of natural causes.
In a statement released Tuesday morning, the Purdue men's basketball team said Swanigan passed on Monday night.
"Devastated," the school's team's account wrote in a tweet. "Our thoughts and prayers to Caleb Swanigan’s family and friends.