Doug Martin, the former All-Pro running back for the Oakland Raiders and Tampa Bay Buccaneers, died at age 36, his family said in a statement Sunday.

Former NFL All-Pro running back Doug Martin has died at the age of 36, his family said in a statement on Sunday, with media reports identifying him as a man who died in police custody on Saturday.

"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."...