Facts:   - teams: los angeles rams st. louis cardinals    - position: linebacker    - years: 1953 -- 1957 1961    - death date: 25 february 2012    - college: university of arkansas      - birth date: 12 february 1929    - name: bob griffin    - stats: y    - death place: chattanooga , tennessee    - birth place: fort worth , texas   Based on these bullet points, write a short biography describing the life of bob griffin -lrb- american football player -rrb- .
A:
robert lloyd `` bob '' griffin -lrb- february 12 , 1929 -- february 25 , 2012 -rrb- was a professional american football player who played linebacker for six seasons for the los angeles rams and st. louis cardinals .