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.

Former NFL running back Doug Martin died Sunday while in custody by the Oakland Police Department. He was 36. Reports say that Martin became unresponsive while in police custody and later died at the hospital.

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

The family of former NFL running back Doug Martin has issued a statement regarding the circumstances surrounding his passing on Saturday at the age of 36.

Former Boise State running back Doug Martin passed away on Saturday at the age of 36.  Martin played for the Broncos from 2007 to 2011 and amassed 3,414 rushing

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.