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HARVEY, La. (AP) _ The 21-year-old LSU baseball player who was found dead in his parents' home last week died of natural causes and had no drugs in his system, the Jefferson Parish coroner said Monday.

The autopsy on Wally Pontiff, who died Wednesday, found an abnormality in his heart, which is still being tested, the coroners' report said. The determination of exact cause of death might take several more days.

There was also no evidence of trauma or foul play, Coroner Robert E. Treuting said in a statement.

``All toxicology studies were negative,'' Treuting said. ``Specifically, there were no illegal drugs, nor any prescription or over-the-counter drugs in his system.''

Janie Badinger, of the coroner's office, said there was no indication that the microscopic examination of the heart abnormality would affect the finding of death by natural causes.

Pontiff was taken in the 21st round of this year's draft by the Oakland Athletics, and had not decided whether to return to LSU for his senior year.

He was a member of the All-SEC second team this season and made the first All-SEC team the previous year.