In order to make up for the deficit in the living expenses of his family, he left the university and obtained a job.

In 1958, three years after he started working, with the help of the manager of his team, he became a professional baseball player for the Hiroshima Carp, a Japanese professional baseball team belonging to the Central League, with the uniform number 29.

In 1959, his second year as a professional baseball player, his uniform number was changed from 29 to 1 and he secured a regular position at shortstop.

After working for two years as the Hawks' coach and for one year as the Carp's coach, he was assigned in 1975 to the manager post of the Carp because Joe Lutz, who was the manager at the time, left the team in April, during the baseball season.

[3] For the 11 years he was the manager, the number of the steals made by the team in one season exceeded 100 11 times.

In addition, he requested that the owner of the team build indoor training rooms, which did not exist in the world of Japanese baseball in those days.

In 1987, he assumed the manager post of the Taiyo Whales, which was another Japanese professional baseball team, on a five-year contract because he was thought highly of as a result of his work with the Carp.

His 873 wins as a manager put him into 14th place on the all-time list of Japanese professional baseball.