| Tuesday, December 31st , 1957 | Released SP Toru Inoue. | Monday, December 30th , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Sunday, December 29th , 1957 | Released SP Toru Inoue. | Saturday, December 28th , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Thursday, December 26th , 1957 | Released SP Toru Inoue. | Wednesday, December 25th , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Saturday, December 21st , 1957 | Signed free agent RP Manabu Shiotani to a minor league contract. | Monday, December 16th , 1957 | Signed free agent SP Goro Nagata to a minor league contract. | Thursday, December 5th , 1957 | Signed free agent SP Naotake Fukushima to a minor league contract. | Monday, December 2nd , 1957 | Signed free agent SP Naizen Sano to a minor league contract. | Saturday, November 23rd , 1957 | Released SP Toru Inoue. | Signed free agent RP Nobuo Yamane to a minor league contract. | Signed free agent SP Goro Nagata to a minor league contract. | Friday, November 22nd , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Thursday, November 21st , 1957 | Signed free agent SP Joe Hollis to a 1-year contract worth a total of $3,700. | Signed free agent SP Lou Eaker to a 1-year contract worth a total of $4,700. | Released RP Benkei Nakao. | Released SP Joe Hollis. | Wednesday, November 20th , 1957 | Released C Mikita Miki. | Monday, November 18th , 1957 | Signed free agent SP Takeshi Miyazaki to a minor league contract. | Signed free agent SP Toshio Yamamoto to a minor league contract. | Thursday, November 14th , 1957 | Released C Mikita Miki. | Signed free agent RP Nobuo Yamane to a minor league contract. | Wednesday, November 13th , 1957 | Signed free agent 2B Ryouya Yamasaki to a minor league contract. | Monday, November 11th , 1957 | Released SP Toru Inoue. | Sunday, November 10th , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Wednesday, November 6th , 1957 | Signed free agent SP Naizen Sano to a minor league contract. | Signed free agent SP Goro Nagata to a minor league contract. | Sunday, November 3rd , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Monday, October 28th , 1957 | Signed free agent RP Nobuo Yamane to a minor league contract. | Thursday, October 24th , 1957 | Signed free agent C Mikita Miki to a minor league contract. | Signed free agent RP Manabu Shiotani to a minor league contract. | Saturday, October 19th , 1957 | Signed free agent SP Yasuomi Daidoji to a minor league contract. | Wednesday, October 16th , 1957 | Released SP Goro Nagata. | Sunday, September 29th , 1957 | Signed free agent SP Toru Inoue to a minor league contract. | Released SP Toru Inoue. | Tuesday, September 24th , 1957 | Signed free agent SP Naizen Sano to a minor league contract. | Signed free agent SP Toshio Yamamoto to a minor league contract. | Sunday, September 22nd , 1957 | Signed free agent SP Naizen Sano to a minor league contract. | Signed free agent RP Seiryo Matsubara to a minor league contract. | Thursday, September 12th , 1957 | Signed free agent RP Nobuo Yamane to a minor league contract. | Friday, September 6th , 1957 | Signed free agent SP Naizen Sano to a minor league contract. | Released SP Naizen Sano. | Friday, August 23rd , 1957 | Signed free agent RP Kimihiko Mori to a 1-year contract worth a total of $4,460. | Released RP Kimihiko Mori. | Friday, July 5th , 1957 | Signed free agent LF Akiho Uno to a minor league contract. | Released LF Akiho Uno. | Monday, June 24th , 1957 | Signed free agent SP Alexis Perales to a minor league contract with a major league option. | Released SP Alexis Perales. | Saturday, June 22nd , 1957 | Signed free agent RP Johnny Ingle to a minor league contract with a major league option. | Released RP Johnny Ingle. | Signed free agent SP Mel Williams to a minor league contract. | Signed free agent RP Jimmy Smith to a minor league contract. | Sunday, June 16th , 1957 | Signed free agent RP Kengo Tamura to a 1-year contract worth a total of $4,680. | Released RP Kengo Tamura. | Wednesday, June 5th , 1957 | Drafted SS Yamahiko Hirata in the 1957 first-year player draft (Round 1, Pick 8, 8th overall pick). | Drafted 3B Hitoshi Onishi in the 1957 first-year player draft (Round 2, Pick 8, 20th overall pick). | Drafted 1B Ryoji Nakagawa in the 1957 first-year player draft (Round 3, Pick 8, 32nd overall pick). | Drafted SP Yamada Yamanaka in the 1957 first-year player draft (Round 4, Pick 8, 44th overall pick). | Drafted 3B Waki Morikawa in the 1957 first-year player draft (Round 5, Pick 8, 56th overall pick). | Monday, June 3rd , 1957 | Placed SS Masao Shiotani on the 14-day injured list, retroactive to 06/02/1957. | Friday, May 31st , 1957 | SP Seishiro Kikuchi did not elect for free agency and will remain in the Vesutan organization. | Sunday, May 19th , 1957 | Signed free agent RP Michiya Sasaki to a 1-year contract worth a total of $3,700. | Released RP Jomei Yamada. | Thursday, May 9th , 1957 | Signed free agent SP Seiryo Doi to a minor league contract. | Released SP Seiryo Doi. | Sunday, May 5th , 1957 | Signed free agent RP Jomei Yamada to a 1-year contract worth a total of $4,760. | Released SP Seiryo Doi. | Monday, April 22nd , 1957 | Signed free agent SP Seiryo Doi to a minor league contract with a major league option. | Released SP Seiryo Doi. | Thursday, April 18th , 1957 | Signed free agent 3B Tenshin Shibata to a minor league contract. | Tuesday, April 16th , 1957 | Signed free agent 3B Tokinari Murai to a minor league contract. | Sunday, April 14th , 1957 | Signed free agent 3B Tokinari Murai to a minor league contract. | Thursday, April 11th , 1957 | Released C Riki Ota. | Signed free agent SP Kuniaki Usui to a minor league contract. | Wednesday, April 10th , 1957 | Signed free agent C Riki Ota to a minor league contract. | Saturday, April 6th , 1957 | Released C Riki Ota. | Signed free agent SP Kuniaki Usui to a minor league contract. | Friday, April 5th , 1957 | Signed free agent SP Mitsunobu Fukui to a minor league contract. | Saturday, March 30th , 1957 | Signed free agent SP Mitsunobu Fukui to a minor league contract. | Tuesday, March 26th , 1957 | Signed free agent SP Koudo Takara to a minor league contract. | Monday, March 11th , 1957 | Signed free agent 3B Tokinari Murai to a minor league contract. | Signed free agent RP Teruhisa Kanazawa to a minor league contract. | Saturday, March 2nd , 1957 | Released RP Mark Martin. | Signed free agent SP Aart MacDonald to a minor league contract. | Signed free agent SP Mel Morris to a minor league contract. | Friday, March 1st , 1957 | Signed free agent RP Mark Martin to a minor league contract. | Tuesday, February 26th , 1957 | Signed free agent SP Mel Williams to a minor league contract. | Signed free agent SP Harvey Webster to a minor league contract. | Thursday, February 21st , 1957 | Released SP Ed Crowe. | Signed free agent SP Mitsunobu Fukui to a minor league contract. | Signed free agent SP Andy Roberts to a minor league contract. | Wednesday, February 20th , 1957 | Signed free agent SP Tsugunosuke Takeuchi to a minor league contract. | Sunday, February 17th , 1957 | Signed free agent SP Ed Crowe to a minor league contract with a major league option. | Released SP Teizo Hasegawa. | Wednesday, February 6th , 1957 | Released SP Lew Brown. | Monday, February 4th , 1957 | Signed free agent SP Leo Zimmerman to a minor league contract. | Signed free agent SP Jimmy Smith to a minor league contract. | Sunday, February 3rd , 1957 | Signed free agent SP Ed Crowe to a minor league contract with a major league option. | Released SP Ed Crowe. | Friday, February 1st , 1957 | Signed free agent RP Frank Jones to a minor league contract. | Tuesday, January 29th , 1957 | Signed free agent RP Mark Martin to a minor league contract. | Signed free agent SP Whitey Chapman to a minor league contract. | Friday, January 18th , 1957 | Released RP Mark Martin. | Signed free agent SP Lew Brown to a minor league contract. | Signed free agent SP Harvey Webster to a minor league contract. | Wednesday, January 16th , 1957 | Signed free agent SP Lew Brown to a minor league contract. | Signed free agent SP Johnny Ingle to a minor league contract. | Thursday, January 10th , 1957 | Signed free agent RP Naotake Fukushima to a minor league contract. | Tuesday, January 8th , 1957 | Signed free agent SP Aart MacDonald to a minor league contract. | Signed free agent SP Johnny Ingle to a minor league contract. | Thursday, January 3rd , 1957 | Signed free agent SP Harvey Webster to a minor league contract. | Wednesday, January 2nd , 1957 | Released RP Joe Hughes. | Tuesday, January 1st , 1957 | Signed free agent RP Joe Hughes to a minor league contract. | | |