Former NFL running back Doug Martin was struggling with his mental health when he entered a neighbor's home in Oakland, where he then died in police custody Saturday, his family said Monday.

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

Our team is mourning that loss because he’s a part of this brotherhood, and we’re hurting for him and his family.”

Former Buccaneers All-Pro running back and Boise State star Doug Martin has died at age 36, his family confirmed. The former first-round pick by Tampa Bay in the 2012 NFL Draft played seven seasons in the pros prior to his career ending after a brief stint with the Oakland Raiders.

El ex corredor de la NFL y All-Pro Doug Martin murió tras un enfrentamiento con agentes de policía que intentaban detenerlo mientras investigaban un allanamiento en una casa en Oakland, informó el lunes la policía.

"Good Morning Football" and the NFL extend their heartfelt condolences to the family and friends of 2-time pro bowl and former NFL running back Doug Martin in light of his tragic and sudden passing.