FILE - In this Dec. 31, 1972, file photo, Miami Dolphins Jim Kiick goes headfirst over Pittsburgh Steelers" Glen Edwards as Kiick scores in third quarter of the AFC championship game at Pittsburgh's Three Rivers Stadium. Former running back Kiick, who helped the Dolphins achieve the NFL’s only perfect season in 1972, has died at age 73. In recent years Kiick battled memory issues and lived in an assisted living home, and the team announced his death Saturday, June 20, 2020. (AP Photo, File)