Traded to the Green Bay Packers in 1970 , Clancy was unable to return to his prior form after the knee injuries .
While making a comeback in 1969 , Clancy suffered an injury to his other knee .
Traded to the Green Bay Packers in 1970 , Clancy was unable to return to Clancy 's prior form after the knee injuries .
While making a comeback in 1969 , Clancy suffered an injury to his other knee .