He led the NFL in punting in 1964 with a 46.4 yard average and was selected to the Pro Bowl after the 1969 season.
Before his NFL career, Walden led the CFL in punting, rushing, and receiving as a member of the Edmonton Eskimos in 1961 and 1962.[3]
Walden played for the University of Georgia Bulldogs for three years from 1958 to 1960. In 1958, as a sophomore, he led the nation in average yards per punt. In 1960, he set an Orange Bowl record for yards per punt.