Former Tampa Bay Buccaneers player Doug Martin has died. He was 36. "It is with great sadness to inform you all that Doug Martin passed away Saturday morning," his family said in a statement to Fox Sports on Sunday, October 19. "Cause of death is currently unconfirmed. Please respect our privacy at this time." The NFL star's former team also paid tribute to Martin on Sunday, sharing a photo of the player on the field with the caption, "Rest in peace, Doug Martin.