Chuck Bednarik

Charles Philip "Chuck" Bednarik (May 1, 1925 – March 21, 2015), or Concrete Charlie, was a professional American football player. He was known as one of the most devastating tacklers in the history of football and the last two-way player in the National Football League. 
Bednarik played for the Philadelphia Eagles from 1949 through 1962 and, upon retirement, was inducted into the Pro Football Hall of Fame in 1967 (his first year of eligibility). 
Bednarik died in Richland, Pennsylvania from complications from Alzheimer's disease, aged 89.