"Cliff Branch touched the lives of generations of Raiders fans," the statement read. "His loss leaves an eternal void for the Raiders Family, but his kindness and loving nature will be fondly remembered forever. Cliff's on-field accomplishments are well documented and undeniably Hall of Fame worthy, but his friendship and smile are what the Raider Nation will always cherish."
The Bullhead City Police Department (Arizona) tweeted out that on Saturday at approximately 3:40 p.m., Branch was found dead in a hotel room in Bullhead City. "The initial investigation revealed no suspected foul play and that Mr. Branch died of natural causes," the statement read.
Across his career, Branch was a four-time Pro Bowler and three-time All-Pro.
In total, Branch tallied 501 catches for 8,685 yards and 67 touchdowns, forever known for breaking the big play as he averaged 17.3 yards per catch. He had two 1,000-yard receiving seasons, including a league-high 1,092 in 1974.