Erin Popovich, wife of Spurs coach Gregg Popovich, died Wednesday, the team announced. 

"With deep regret the San Antonio Spurs announce that Erin Popovich, wife of Spurs coach Gregg Popovich, passed away earlier today," Spurs general manager RC Buford said in a statement. 

"Erin and Gregg were married for four decades and were blessed with two children and two grandchildren. We mourn the loss of Erin. She was a strong, wonderful, kind, intelligent woman who provided love, support and humor to all of us.”

The Spurs host the Warriors in Game 3 of the Western Conference quarterfinals Thursday. 

Kevin Durant was saddened to hear of Erin's passing Wednesday. 

“The whole NBA family is supporting him, got his back through it all,” Durant said. “Feel so bad for Pop.”

The circumstances surrounding Erin death were not announced. According to ESPN, she has been ill over an extended period of time. 

This article will be updated.