| Friday, July 11th , 1975 | | Signed free agent SP Haruo Kawamoto to a 1-year contract worth a total of $20,600. | | Thursday, July 10th , 1975 | | Signed free agent RP Matashichi Matsunaga to a 1-year contract worth a total of $12,800. | | Placed RF Toshimasa Ikeda on the 14-day injured list, retroactive to 07/09/1975. | | Thursday, June 5th , 1975 | | Drafted RF Morimasa Ikeda in the 1975 first-year player draft (Round 1, Pick 11, 11th overall pick). | | Drafted C Natsuhisa Yamamoto in the 1975 first-year player draft (Round 2, Pick 11, 23rd overall pick). | | Drafted C Mitsuyoshi Kaneshige in the 1975 first-year player draft (Round 3, Pick 11, 35th overall pick). | | Drafted C Shizue Suzuki in the 1975 first-year player draft (Round 4, Pick 11, 47th overall pick). | | Drafted 2B Hisamitsu Araki in the 1975 first-year player draft (Round 5, Pick 11, 59th overall pick). | | Wednesday, June 4th , 1975 | | Placed 2B Rkuemon Endo on the 14-day injured list, retroactive to 06/03/1975. | | Saturday, May 31st , 1975 | | SP Tsunehiko Yamamoto did not elect for free agency and will remain in the Hosho organization. | |
