The Los Angeles native was drafted by the Texas Rangers and spent most of his big league career with them. He was traded to the Astros during the 1984 season for infielder Alan Bannister. Richardt appeared in just 16 games with Houston, all as a pinch-hitter. He was 4-for-15 (.267) with two RBIs but was released after the season. Overall, Richardt had a .226 average for his career with four homers and 11 steals.