| Thursday, June 5th , 1975 | | Drafted SP Genpaku Matsumoto in the 1975 first-year player draft (Round 1, Pick 1, 1st overall pick). | | Drafted RP Oda Ayukawa in the 1975 first-year player draft (Round 2, Pick 1, 13th overall pick). | | Drafted RP Hidehira Sato in the 1975 first-year player draft (Round 3, Pick 1, 25th overall pick). | | Drafted RP Seiji Ishida in the 1975 first-year player draft (Round 4, Pick 1, 37th overall pick). | | Drafted C Hokusai Kurihara in the 1975 first-year player draft (Round 5, Pick 1, 49th overall pick). | | Saturday, May 31st , 1975 | | RP Joe Cliff did not elect for free agency and will remain in the Osaka organization. | | Thursday, May 29th , 1975 | | Signed free agent SP Togai Ota to a 1-year contract worth a total of $15,200. | | Released LF Tsugunao Kimura. | | Tuesday, May 20th , 1975 | | Signed free agent RP Ichirou Fukumoto to a 1-year contract worth a total of $13,800. | | Released 3B Jun Suzuki. | |
