Facts: - fontcolor: yellow - teams: '' kansas city chiefs nfl houston oilers ' afl '' ' kansas city chiefs nfl - position: cornerback - years: 1964-196919701971 - databasefootball: mitchwil01 - afldraftedyear: 1964 - college: tennessee state - birth date: 28 august 1940 - jersey: '' ' 22 '' ' - name: willie mitchell - birth place: san antonio , texas Based on these bullet points, write a short biography describing the life of willie mitchell -lrb- american football -rrb- .
Answer:
willie mitchell -lrb- born august 28 , 1940 -rrb- is a former professional football cornerback who played eight professional seasons 1964-1971 .after winning the league championship with the american football league 's kansas city chiefs in 1966 , he started for them in the first afl-nfl world championship game , and was on the chiefs team that won the 1969 afl championship and then defeated the nfl 's heavily favored minnesota vikings in the fourth and final afl-nfl world championship game .