• Doug Martin, former NFL running back, died in police custody at age 36.
• His family reported he had been struggling with mental health challenges.
• A brief struggle occurred during attempts to detain him after a reported break-in.
• The investigation into his death is being conducted by multiple agencies.
• The Tampa Bay Buccaneers expressed deep sadness over his passing.

Former NFL running back Doug Martin has died at the age of 36 while in police custody in Oakland, California, after a reported incident involving a brief struggle with officers. He was involved in an alleged break-in before becoming unresponsive, prompting paramedics to transport him to a hospital where he was pronounced dead, according to BBC, SFGATE, and ABC News.

Martin's family revealed that he had been experiencing significant mental health issues, which they said had "profoundly impacted his personal and professional life." The family had sought medical assistance for him just before the incident, stating that Martin, feeling overwhelmed and disoriented, left his home and entered a neighbor's residence, where he was subsequently taken into custody by police, according to SFGATE and ABC News.

The Oakland Police Department reported that officers responded to simultaneous calls regarding a break-in and a person in medical distress around 4:15 a.m. on the day of Martin's death. During the arrest process, a struggle ensued, resulting in Martin becoming unresponsive, as mentioned by BBC and ABC News. The investigation into the circumstances surrounding his death has been initiated by multiple local authorities, including the Oakland Police Department’s homicide section.

Martin, a first-round draft pick for the Tampa Bay Buccaneers in 2012, had a promising NFL career marked by multiple accolades, including Pro Bowl selections. His former team expressed deep sorrow over his unexpected passing, stating that he "made a lasting impact on our franchise," as noted by BBC and ABC News.