| Thursday, December 29th , 1955 | Signed free agent SP Otoya Maehara to a minor league contract with a major league option. | Released SP Otoya Maehara. | Saturday, December 24th , 1955 | Signed free agent RP Kenichiro Kawai to a minor league contract. | Thursday, December 22nd , 1955 | Signed free agent RP Kenichiro Kawai to a minor league contract with a major league option. | Released RP Kenichiro Kawai. | Monday, December 5th , 1955 | Signed free agent RP Futoshi Tamaki to a minor league contract. | Thursday, December 1st , 1955 | Released LF Kanbu Ibe. | Wednesday, November 30th , 1955 | Released LF Kanbu Ibe. | Signed free agent LF Kanbu Ibe to a minor league contract. | Tuesday, November 29th , 1955 | Signed free agent LF Kanbu Ibe to a minor league contract. | Tuesday, November 22nd , 1955 | Signed free agent RP Washichi Matsumoto to a minor league contract. | Sunday, November 20th , 1955 | Signed free agent RP Nagahisa Ogawa to a minor league contract. | Saturday, November 12th , 1955 | Signed free agent RP Yoshitaka Date to a minor league contract with a major league option. | Released RP Michiya Sasaki. | Tuesday, October 25th , 1955 | Signed free agent RP Nagahisa Ogawa to a minor league contract with a major league option. | Released RP Nagahisa Ogawa. | Wednesday, October 12th , 1955 | Signed free agent SP Aguri Honda to a minor league contract. | Tuesday, October 11th , 1955 | Signed free agent SP Toshimasa Kobayashi to a minor league contract. | Monday, October 10th , 1955 | SP Ken Yamada retired from professional baseball. | 1B Umito Nishioka retired from professional baseball. | Signed Team Trainer Hisatoshi Saga to a 2-year contract extension. | Signed Hitting Coach Haruyoshi Okamoto to a 2-year contract extension. | Signed 3B Coach Ray Ford to a 2-year contract extension. | Signed Scouting Director Mel Ellis to a 2-year contract extension. | Signed Bench Coach Shojiro Tasaka to a 2-year contract extension. | Wednesday, September 28th , 1955 | Signed free agent RP Keisaburo Onodera to a minor league contract. | Monday, September 26th , 1955 | Signed free agent SP Aki Yamane to a minor league contract. | Signed free agent RP Nagahisa Ogawa to a minor league contract. | Friday, September 23rd , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Wednesday, September 21st , 1955 | Signed free agent SP Aki Yamane to a minor league contract. | Signed free agent SP Tetsuya Ishibashi to a minor league contract. | Sunday, September 18th , 1955 | Signed free agent RP Yoshitaka Date to a minor league contract with a major league option. | Released RP Yoshitaka Date. | Tuesday, September 13th , 1955 | Released 3B Yukio Okuda. | Signed free agent RP Yataroh Niwa to a minor league contract. | Saturday, September 10th , 1955 | Signed free agent SP Toshimasa Kobayashi to a minor league contract. | Wednesday, September 7th , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract. | Signed free agent RP Kenichiro Kawai to a minor league contract. | Saturday, August 27th , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract. | Thursday, August 25th , 1955 | Signed free agent SP Hironobu Takaoka to a minor league contract. | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Monday, August 22nd , 1955 | Signed free agent SP Tetsuya Ishibashi to a minor league contract. | Friday, August 19th , 1955 | Signed free agent SP Hajato Kasuga to a minor league contract with a major league option. | Released SP Hajato Kasuga. | Signed free agent RP Yataroh Niwa to a minor league contract. | Wednesday, August 17th , 1955 | Signed free agent SP Otoya Maehara to a minor league contract. | Thursday, August 11th , 1955 | Signed free agent RP Yataroh Niwa to a minor league contract with a major league option. | Released RP Yataroh Niwa. | Friday, August 5th , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Wednesday, August 3rd , 1955 | Signed free agent SP Hajato Kasuga to a minor league contract. | Saturday, July 30th , 1955 | Signed free agent SP Kimihiko Mori to a minor league contract with a major league option. | Released SP Kimihiko Mori. | Signed free agent RP Yataroh Niwa to a minor league contract. | Signed free agent SP Yuuto Yamashita to a minor league contract. | Monday, July 25th , 1955 | Signed free agent SP Saikaku Nakao to a 1-year contract worth a total of $2,980. | Released SP Saikaku Nakao. | Friday, July 22nd , 1955 | Signed free agent C Heikichi Nakamura to a minor league contract. | Saturday, July 16th , 1955 | Signed free agent RP Yataroh Niwa to a minor league contract with a major league option. | Released RP Yataroh Niwa. | Signed free agent SP Takeshi Miyazaki to a minor league contract. | Monday, July 11th , 1955 | Signed free agent C Heikichi Nakamura to a minor league contract. | Wednesday, July 6th , 1955 | Signed free agent SP Mirai Watanabe to a minor league contract. | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Sunday, July 3rd , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract with a major league option. | Released SP Hiroiaki Kai. | Signed free agent RP Futoshi Tamaki to a minor league contract. | Saturday, July 2nd , 1955 | Signed free agent RP Jomei Yamada to a 1-year contract worth a total of $4,340. | Released RP Jomei Yamada. | Friday, July 1st , 1955 | Signed free agent SP Koudo Takara to a minor league contract with a major league option. | Signed free agent SP Hiroiaki Kai to a minor league contract with a major league option. | Released SP Hiroiaki Kai. | Released C Midori Suzuki. | Wednesday, June 29th , 1955 | Signed free agent SP Hironobu Takaoka to a minor league contract. | Friday, June 17th , 1955 | Signed free agent SP Seiryo Matsubara to a minor league contract. | Signed free agent SP Mirai Watanabe to a minor league contract. | Wednesday, June 15th , 1955 | Signed free agent SP Roka Harada to a minor league contract. | Tuesday, June 14th , 1955 | Signed free agent SP Saikaku Nakao to a 1-year contract worth a total of $2,980. | Released SP Saikaku Nakao. | Thursday, June 9th , 1955 | Signed free agent RP Kiyomi Suzuki to a 1-year contract worth a total of $4,300. | Released RP Kiyomi Suzuki. | Tuesday, June 7th , 1955 | Signed free agent RP Zenichiro Tsuji to a minor league contract. | Sunday, June 5th , 1955 | Drafted SP Haruki Ogawa in the 1955 first-year player draft (Round 1, Pick 1, 1st overall pick). | Drafted LF Jiro Hara in the 1955 first-year player draft (Round 2, Pick 1, 13th overall pick). | Drafted SP Roka Harada in the 1955 first-year player draft (Round 3, Pick 1, 25th overall pick). | Drafted RP Zenichiro Tsuji in the 1955 first-year player draft (Round 4, Pick 1, 37th overall pick). | Drafted CF Sakutarou Miyamoto in the 1955 first-year player draft (Round 5, Pick 1, 49th overall pick). | Tuesday, May 3rd , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract. | Wednesday, April 27th , 1955 | Signed free agent C Kyozo Kanno to a 1-year contract worth a total of $3,640. | Wednesday, April 20th , 1955 | Activated 2B Ollie Youngblood from the injured list. | Wednesday, April 6th , 1955 | Placed 2B Ollie Youngblood on the 14-day injured list, retroactive to 04/05/1955. | Monday, March 28th , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract with a major league option. | Thursday, March 24th , 1955 | Signed free agent SP Kimihiko Mori to a minor league contract with a major league option. | Released SP Kimihiko Mori. | Signed free agent SP Yukinori Imai to a minor league contract. | Friday, March 18th , 1955 | Signed free agent SP Kunimitsu Nakao to a minor league contract. | Monday, March 7th , 1955 | Signed free agent SP Kimihiko Mori to a minor league contract with a major league option. | Released SP Kimihiko Mori. | Tuesday, March 1st , 1955 | Signed free agent SP Saikaku Nakao to a 1-year contract worth a total of $2,980. | Released SP Saikaku Nakao. | Saturday, February 19th , 1955 | Signed free agent SP Hiroiaki Kai to a minor league contract with a major league option. | Released SP Hiroiaki Kai. | Wednesday, January 26th , 1955 | Signed free agent SP Shunko Takeda to a minor league contract. | Saturday, January 1st , 1955 | Signed free agent SP Akashi Nakai to a minor league contract with a major league option. | Released SP Akashi Nakai. | | |