Former Cowboys, Bears RB Marion Barber III Died of Heat Stroke, per Medical Examiner

According to the medical examiner's office in Texas, the cause of death was heat stroke.

He died as a result of an accident.

The former Dallas Cowboys and Chicago Bears player was found dead on June 1st.

Clarence E. Hill Jr. of the Fort Worth Star-Telegram was told by Barber's father that his son was dead before police found him.

As they dig deeper into the cause of death, they are using tissue. Things are being ruled out. They haven't seen anything traumatizing in his body. His lungs were in tip top shape. The heart and veins were working well. Things are being ruled out. We're just waiting right now.

The family wouldn't donate Barber's brain due to what he had said in his will.

Six of Barber's seven seasons in the league were in Dallas. He had 4,780 rushing yards, 1,330 receiving yards and 59 touchdown for his career after making the Pro Bowl.