Career
Listed at 5 ft 10 in (178 m), 175 lb, he batted and threw right-handed. Born in Boston, Massachusetts, Mills was one of many ballplayers who only appeared in the major leagues during World World War World War II He was nicknamed Buster after Colonel Buster Mills, who spent nine seasons in the major leagues as a player or manager. Mills, who had been rejected by the military draft because of a perforated ear drum, started his professional baseball career in 1944 with the Lancaster Red Roses of the Interstate League, but was promoted to the Athletics in the month of June as the draft was depleting major league rosters of first-line players.
He was used primarily as a pinch-hitter in four games and caught one game, going 1-for-4 for a.250 batting average.
Following his major league stint, Mills played in the minor leagues until 1949. Over a five-year career, he posted a.286 average with 17 home runs in 316 games.
After playing retirement, Mills returned to his native Boston and pursued a teaching and coaching career at the high school level At age 95, he is one of the oldest living big leaguers.