Cowboys RB Marion Barber III dies at age 38

Former Dallas Cowboys running back Marion Barber III has died at the age of 38, the team announced Wednesday.

We are heartbroken by the tragic death of Marion Barber III

the Cowboys said in a statement.

Marion was an old-school, hard-nosed football player who ran with the will to win every down

He had a passion for the game and love for his coaches and teammates.

Our hearts go out to Marion's family and friends during this difficult time."

The cause of Barber's death is not currently known.

Frisco Police responded to a welfare concern at an apartment believed to be leased by Marion Barber

Frisco Police along with the Collin County Medical Examiner's Office are investigating an unattended death at the location.