He was also the manager of the Pacific Baseball Club (renamed to the Taiyo Robins during his tenure), the Hankyu Braves, and the Hanshin Tigers.

He attended Ehime Prefectural Matsuyama Commercial High School, where he played baseball as a pitcher and third baseman.

The Japanese Baseball League was initially played in series of half-seasons, the first being the fall season of 1936.

The Kyojin and the Tigers played a best-of-three playoff series to determine the champion of the half-season.

[citation needed] The Kyojin would win the next half-season as well, with a record of 41–13–2, beating the Tigers by a half-game.

The Kyojin wouldn't win the next two half-seasons, but won the 1938 fall season in convincing fashion, beating the Tigers by 3.5 games.

[5] During his tenure, Fujimoto became infamous for his harsh practice routines, which teams adopted following the success of the Kyojin.

Osamu Mihara was quoted in his memoir:[6] "The Giants, at that time, did not resemble a professional team.

They were near tears because the training was so hard..."Several members of the Japanese Baseball Hall of Fame served under Fujimoto while he managed the Kyojin.

Shigeru Chiba, Shosei Go, Tetsuharu Kawakami, Shigeru Mizuhara, Haruyasu Nakajima, Eiji Sawamura, Victor Starffin, and Kazuhiro Yamauchi all played for Fujimoto and went on to be inducted to the Hall of Fame.

[citation needed] Hall of Famer Juzo Sanada spent time under Fujimoto during his tenure with the club.

They won the Central League with a record of 75–55–3 and faced the Toei Flyers in the Japan Series.

[9] The Tigers once again reached the Japan Series in 1964, after going 80–56–4 in the regular season and capturing the Central League pennant.