https://www.mercurynews.com/2019/08/03/raiders-legend-cliff-branch-dies-at-71/

NAPA — Cliff Branch, who played on three Super Bowl championship teams and played his entire 14-year with the Raiders, died Saturday, the club confirmed.

Branch was 71 years old. No cause of death has been released. His passing was recognized by the team on the Raiders’ web site: