| Thursday, December 30th , 1954 | Signed free agent SP Setsujiro Mitani to a minor league contract. | Tuesday, December 21st , 1954 | Signed free agent SP Hiroiaki Kai to a minor league contract. | Wednesday, December 8th , 1954 | Signed free agent RP Mikizo Fukuchi to a 1-year contract worth a total of $4,740. | Signed free agent CF Shunki Ishii to a minor league contract. | Monday, November 15th , 1954 | Signed free agent LF Sohachi Ishii to a minor league contract. | Monday, November 1st , 1954 | Signed free agent SP Setsujiro Mitani to a minor league contract. | Saturday, October 16th , 1954 | Signed free agent SP Motoi Tokumoto to a minor league contract. | Thursday, October 14th , 1954 | RF Mitsumasa Ono retired from professional baseball. | Signed Team Trainer Kumeo Kurosawa to a 2-year contract extension. | Signed Bench Coach Harry Collins to a 2-year contract extension. | Signed 1B Coach Randy Davis to a 2-year contract extension. | Signed 3B Coach Dave Heddings to a 2-year contract extension. | Signed free agent SP Hiroshi Sakai to a minor league contract. | Friday, October 8th , 1954 | SP George Belcher retired from professional baseball. | Saturday, October 2nd , 1954 | Signed free agent RP Hiroo Tamura to a minor league contract. | Thursday, September 30th , 1954 | Signed free agent RP Yukiyoshi Hamada to a minor league contract. | Saturday, September 25th , 1954 | Signed free agent RP Yukiyoshi Hamada to a minor league contract. | Monday, September 20th , 1954 | Signed free agent SP Yukinori Imai to a minor league contract. | Monday, August 30th , 1954 | Signed free agent SP Keisaburo Onodera to a minor league contract. | Wednesday, August 4th , 1954 | Signed free agent SP Keisaburo Onodera to a minor league contract. | Tuesday, August 3rd , 1954 | Signed free agent CL Kinya Kodama to a minor league contract with a major league option. | Released RP George Belcher. | Sunday, August 1st , 1954 | Signed free agent CF Sadaharu Ochiai to a minor league contract. | Monday, July 19th , 1954 | Signed free agent C Midori Suzuki to a minor league contract. | Signed free agent RP Yoshitaka Date to a minor league contract. | Friday, July 9th , 1954 | Signed free agent SP Hiro Shima to a minor league contract. | Released SP Hiro Shima. | Tuesday, July 6th , 1954 | Signed free agent SP Takushi Hashimoto to a minor league contract. | Saturday, July 3rd , 1954 | Signed free agent SP Sueki Araki to a minor league contract. | Released SP Sueki Araki. | Wednesday, June 23rd , 1954 | Signed free agent SP Sueichi Kawamoto to a minor league contract. | Thursday, June 10th , 1954 | Signed free agent RP Kenichiro Kawai to a minor league contract. | Signed free agent RP Yukiyoshi Hamada to a minor league contract. | Saturday, June 5th , 1954 | Drafted SP Kiyomitsu Wada in the 1954 first-year player draft (Round 1, Pick 12, 12th overall pick). | Drafted RF Ssekien Ikeda in the 1954 first-year player draft (Round 2, Pick 12, 24th overall pick). | Drafted CF Sadaharu Ochiai in the 1954 first-year player draft (Round 3, Pick 12, 36th overall pick). | Drafted SP Sueichi Kawamoto in the 1954 first-year player draft (Round 4, Pick 12, 48th overall pick). | Drafted SS Fumitoshi Yamaguchi in the 1954 first-year player draft (Round 5, Pick 12, 60th overall pick). | Tuesday, May 11th , 1954 | Signed free agent RP Tadaatsu Sunada to a minor league contract with a $48 signing bonus. | Released CF Sohachi Ishii. | Tuesday, March 30th , 1954 | Signed free agent RP Kobo Saruwatari to a minor league contract. | Thursday, March 25th , 1954 | Signed free agent SP Sueki Araki to a minor league contract. | | |