The site says that he passed away during a game against a team called Ohod, which seems to be team of former Cat Jules Camara. The site reports that he had a heart attack during the game and passed away soon after.My condolences to the Stone family.
This has been posted in two blogs but nothing has been made of it with regards to the general media. I'm awaiting confirmation from University of Louisville's athletic office.
It appears that this has been confirmed now.