Butler was drafted and played for the Packers in 1959. He played safety and grew up in Berlin, Wis.
The Neville Public Museum in Green Bay is hosting an exhibit called "Touchdown!" including artifacts from the Packers Hall of Fame while renovations take place inside the Lambeau Field atrium until 2015.
"I firmly believe that any man’s finest hour, the greatest fulfillment of all that he holds dear, is that moment when he has worked his heart out in a good cause and lies exhausted on the field of battle – victorious."