“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.

A former agent for ex-NFL star Doug Martin released a statement on behalf of the late player's family on Monday night as details emerged in his death.

Ex-Tampa Bay Buccaneers running back Doug Martin battled mental-health issues and his relatives were seeking medical assistance before he died, the family said.

Former NFL running back Doug Martin, 36, died Saturday. While Oakland police are investigating the matter, Martin's family offered new details Monday.