| Thursday, December 22nd , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract with a major league option. | Released RP Zenichiro Tsuji. | Friday, December 9th , 1955 | Signed free agent SP Tetsuya Ishibashi to a minor league contract. | Tuesday, November 29th , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract with a major league option. | Released RP Zenichiro Tsuji. | Friday, November 11th , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Thursday, October 13th , 1955 | Signed free agent CF Seiesnsui Nakatsuka to a minor league contract. | Sunday, October 2nd , 1955 | Signed free agent RP Gou Kida to a 1-year contract worth a total of $4,520. | Released SP Takeshi Miyazaki. | Sunday, September 25th , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Signed free agent SP Tetsuya Ishibashi to a minor league contract. | Saturday, September 17th , 1955 | Signed free agent SP Aki Yamane to a minor league contract. | Released SP Aki Yamane. | Monday, September 12th , 1955 | Signed free agent RP Yoshitaka Date to a minor league contract. | Signed free agent RP Kunimitsu Nakao to a minor league contract. | Wednesday, August 31st , 1955 | Signed free agent SP Tetsuya Ishibashi to a minor league contract. | Signed free agent RP Kunimitsu Nakao to a minor league contract. | Friday, August 26th , 1955 | Signed free agent SP Roka Harada to a minor league contract. | Released SP Roka Harada. | Saturday, August 6th , 1955 | Signed free agent RP Yoshitaka Date to a minor league contract with a major league option. | Released RP Yoshitaka Date. | Thursday, August 4th , 1955 | Signed free agent RP Yoshitaka Date to a minor league contract with a major league option. | Released RP Yoshitaka Date. | Monday, August 1st , 1955 | Signed free agent SP Kimihiko Mori to a minor league contract with a major league option. | Released SP Kimihiko Mori. | Sunday, July 31st , 1955 | Signed free agent SP Hajato Kasuga to a minor league contract with a major league option. | Released SP Hajato Kasuga. | Monday, July 25th , 1955 | Signed free agent SP Roka Harada to a minor league contract. | Released SP Roka Harada. | Friday, July 22nd , 1955 | Signed free agent RP Yataroh Niwa to a minor league contract with a major league option. | Released RP Yataroh Niwa. | Saturday, July 16th , 1955 | Signed free agent C Gai Adachi to a minor league contract. | Released C Gai Adachi. | Sunday, June 19th , 1955 | Released 3B Ton Ueda. | Saturday, June 18th , 1955 | Signed free agent 3B Ton Ueda to a minor league contract. | Wednesday, June 15th , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract with a major league option. | Released SP Hiroiaki Kai. | Friday, June 10th , 1955 | Signed free agent C Heikichi Nakamura to a minor league contract. | Sunday, June 5th , 1955 | Signed free agent SP Shunko Takeda to a minor league contract with a major league option. | Released SP Shunko Takeda. | Drafted 1B Kunimichi Yagi in the 1955 first-year player draft (Round 1, Pick 9, 9th overall pick). | Drafted CF Yojiro Yonamine in the 1955 first-year player draft (Round 2, Pick 9, 21st overall pick). | Drafted 2B Eijiro Aoki in the 1955 first-year player draft (Round 3, Pick 9, 33rd overall pick). | Drafted SP Takeshi Miyazaki in the 1955 first-year player draft (Round 4, Pick 9, 45th overall pick). | Drafted C Mikita Miki in the 1955 first-year player draft (Round 5, Pick 9, 57th overall pick). | Wednesday, June 1st , 1955 | Signed free agent SP Kimihiko Mori to a minor league contract with a major league option. | Released SP Kimihiko Mori. | Saturday, May 28th , 1955 | Signed free agent SP Tatsumi Hashiguchi to a minor league contract with a major league option. | Friday, May 27th , 1955 | Placed 3B Ennosuke Miura on the 14-day injured list, retroactive to 05/26/1955. | Wednesday, May 11th , 1955 | Signed free agent SP Keisaburo Onodera to a minor league contract with a major league option. | Sunday, May 8th , 1955 | Placed RF Gou Kawamoto on the 14-day injured list, retroactive to 05/07/1955. | Thursday, May 5th , 1955 | Signed free agent SP Saikaku Nakao to a 1-year contract worth a total of $2,980. | Released SP Soushi Fujita. | Sunday, May 1st , 1955 | Released RP Gou Kida. | Saturday, April 9th , 1955 | Signed free agent SP Soushi Fujita to a minor league contract with a major league option. | Saturday, March 19th , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract with a major league option. | Released SP Hiroiaki Kai. | Signed free agent SP Hiroiaki Kai to a minor league contract. | Friday, March 4th , 1955 | Signed free agent SP Shunko Takeda to a minor league contract with a major league option. | Released SP Shunko Takeda. | Tuesday, February 22nd , 1955 | Signed free agent RP Washichi Matsumoto to a minor league contract. | Friday, February 4th , 1955 | Signed free agent SP Yukinori Imai to a minor league contract. | Wednesday, February 2nd , 1955 | Signed free agent SP Tashiro Obata to a 1-year contract worth a total of $4,780. | Released RP Ryuusei Sawai. | Monday, January 31st , 1955 | Signed free agent CF Totaro Nakashima to a minor league contract. | Friday, January 21st , 1955 | Signed free agent SP Soushi Fujita to a minor league contract. | Wednesday, January 12th , 1955 | Signed free agent SP Mikizo Fukuchi to a 1-year contract worth a total of $4,660. | Released SP Mikizo Fukuchi. | Sunday, January 2nd , 1955 | Signed free agent RP Gou Kida to a 1-year contract worth a total of $5,400. | Released RP Saikaku Nakao. | | |