'Heartbreaking' update as former NFL star Doug Martin's management reveal he died in police custody

There has been a devastating update in the death of former NFL star Doug Martin, with reports confirming he died while in police custody at the age of 36.

News broke from ESPN on Tuesday morning (AEDT) that Martin was detained by police following a home invasion incident in Oakland, California.

At some stage after being taken into custody, Martin died in a nearby hospital.

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His management team, Athletes First, have since revealed that Martin had been dealing with mental health issues since finishing his NFL career.

"Doug battled mental health challenges that profoundly impacted his personal and professional life," a statement via chief executive Brian Murphy said.

"Mental illness proved to be the one opponent from which Doug could not run.

"Following recent media reports about Doug's untimely passing, the family wishes to clarify the circumstances. Doug's parents were actively seeking medical assistance for him and had contacted local authorities for support.

"Feeling overwhelmed and disoriented, Doug fled his home during the night and entered a neighbour's residence two doors down, where he was taken into custody by police.

"An investigation into what transpired as he was detained is underway.

"The family requests privacy as they navigate this heartbreaking loss."

The two-time Pro Bowl selection was drafted in the first round of the 2012 draft and spent six seasons with the Tampa Bay Buccaneers.

He finished his tenure in the league with the Oakland Raiders in 2018 before retiring.

Martin rushed for 5356 rushing yards and scored 32 touchdowns in the NFL.

Tributes started to flow for Martin on social media following the news of his passing.

Tampa Bay released a statement for one of the franchise's favourite sons.

"We are deeply saddened to learn of the sudden and unexpected passing of Doug Martin," the statement said.

"From his record-setting rookie season in 2012 to his multiple Pro Bowl selections during his six seasons as a Buccaneer, Doug made a lasting impact on our franchise.

"He was a fan favourite during his time in Tampa Bay and was honoured as one of the top 50 Buccaneers of all time for his numerous achievements.

"We extend our heartfelt condolences to his family, friends and everyone whom Doug touched throughout his life."

His college team, Boise State, also shared a message after Martin's death.

"Doug Martin, one of Boise State's best running backs in school history and a seven-year NFL veteran, passed away this weekend," the school's website said.

"Martin is one of six Broncos to be selected in the first round of the NFL draft. He was the first Boise State running back to be taken in the first round and is one of only two Bronco backs to be selected in the first round.

"Ashton Jeanty joined him in that club this past April."

Use when mental health issues or suicide/attempted suicide is discussed in your article: If you or anyone you know needs immediate support, contact Lifeline on 13 11 14 or via lifeline.org.au. In an emergency, call 000