Doug Martin, the RB who made two Pro Bowls while running for over 5,356 yards in a seven-year NFL career with the Raiders and Buccaneers, died last week at the age of 36.

Former Tampa Bay Buccaneers All-Pro running back and Boise State star Doug Martin died while in police custody following a struggle with officers who were investigating a break-in at a home in Oakland,

“Privately, Doug battled mental health challenges that profoundly impacted his personal and professional life. Ultimately, mental illness proved to be the one opponent from which Doug could not run,” the statement read, which was released through Martin’s agent Brian Murphy of Athletes First.

The condition, which can cause erratic behavior and severe mental illness, is associated with repeated head trauma and has been found in hundreds of former NFL players in recent years.

Former Tampa Bay Buccaneers running back Doug Martin, who stormed onto the NFL scene as a rookie, died Saturday at 36.