Given the question: 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- .
The answer is:
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 .