| Wednesday, December 30th , 1959 | Signed free agent SP Botan Kawamoto to a minor league contract. | Friday, December 18th , 1959 | Signed free agent SP Nobuhisa Ogata to a minor league contract. | Monday, December 14th , 1959 | Signed free agent 3B Tsuyohi Kimura to a minor league contract. | Saturday, December 12th , 1959 | Signed free agent RP Ryotaro Takaki to a minor league contract. | Thursday, December 3rd , 1959 | Signed free agent RP Fujimaro Taira to a minor league contract. | Saturday, November 28th , 1959 | Signed free agent RP Ushio Noguchi to a minor league contract. | Signed free agent SP Yasuo Saito to a minor league contract. | Sunday, November 15th , 1959 | Signed free agent RP Ushio Noguchi to a minor league contract. | Signed free agent RP Seiryo Matsubara to a minor league contract. | Wednesday, November 11th , 1959 | Signed free agent RP Ushio Noguchi to a minor league contract. | Monday, November 9th , 1959 | Signed free agent SP Sessue Yamamoto to a minor league contract. | Friday, November 6th , 1959 | Signed free agent CF Yutaka Abe to a 1-year contract worth a total of $7,800. | Released CF Midori Kobayashi. | Signed free agent RP Murai Nakata to a minor league contract. | Sunday, November 1st , 1959 | Signed free agent RP Kikugoro Fujiyama to a minor league contract. | Signed free agent SP Yasuo Saito to a minor league contract. | Thursday, October 29th , 1959 | Signed free agent SP Yasuo Saito to a minor league contract. | Saturday, October 24th , 1959 | Signed free agent RP Ushio Noguchi to a minor league contract. | Signed free agent RP Ryotaro Takaki to a minor league contract. | Monday, October 19th , 1959 | Signed free agent RP Masanori Suyama to a minor league contract. | Saturday, October 17th , 1959 | Signed Manager Joe Davis to a 3-year, $5,810 per year contract. | Thursday, October 15th , 1959 | Manager Keito Yamashita leaves the team, his contract was not renewed | Signed Scouting Director Dutch Connolly to a 2-year contract extension. | Signed Pitching Coach Pete Papenfus to a 2-year contract extension. | Signed Bench Coach Katsutoshi Masuda to a 2-year contract extension. | Saturday, October 3rd , 1959 | Signed free agent RP Botan Kawamoto to a minor league contract. | Friday, September 25th , 1959 | Signed free agent RP Ushio Noguchi to a minor league contract. | Sunday, August 30th , 1959 | Signed free agent 3B Tsuyohi Kimura to a minor league contract. | Saturday, August 1st , 1959 | Signed free agent SP Nobuhisa Ogata to a minor league contract. | Sunday, June 28th , 1959 | Signed free agent CF Tatsuhiko Ueda to a minor league contract. | Signed free agent 3B Tsuyohi Kimura to a minor league contract. | Tuesday, June 23rd , 1959 | Signed free agent RP Yoshitaka Date to a minor league contract. | Wednesday, June 10th , 1959 | Signed free agent RP Kikugoro Fujiyama to a minor league contract. | Signed free agent RP Koshi Sugimoto to a minor league contract. | Friday, June 5th , 1959 | Drafted SP Yasuhiko Hidaka in the 1959 first-year player draft (Round 1, Pick 2, 2nd overall pick). | Drafted CL Shiroku Terada in the 1959 first-year player draft (Round 2, Pick 2, 14th overall pick). | Drafted SP Shinichi Nakada in the 1959 first-year player draft (Round 3, Pick 2, 26th overall pick). | Drafted SP Robun Wada in the 1959 first-year player draft (Round 4, Pick 2, 38th overall pick). | Drafted 1B Kodama Koyama in the 1959 first-year player draft (Round 5, Pick 2, 50th overall pick). | Thursday, May 28th , 1959 | Signed free agent LF Sorai Matsui to a minor league contract. | Sunday, May 10th , 1959 | Signed free agent 3B Yukio Okuda to a 1-year contract worth a total of $3,800. | Sunday, May 3rd , 1959 | Placed 3B Shunsuke Murata on the 60-day injured list. | Monday, April 27th , 1959 | Signed free agent SP Hirokatsu Yamada to a minor league contract. | Wednesday, April 22nd , 1959 | Signed free agent RP Teppei Kaneko to a minor league contract. | Signed free agent RP Fujimaro Taira to a minor league contract. | Wednesday, April 8th , 1959 | Signed free agent LF Masataka Kawai to a minor league contract. | | |