| Tuesday, August 26th, 1975 | Activated RF Danny White from the disabled list. | LF Paco Gómez was designated for assignment and placed on waivers (from active). | Tuesday, August 12th, 1975 | Signed Joe Griffin to a minor league contract with a signing bonus of $109,300. | Sunday, August 10th, 1975 | Signed Jorge Colón to a minor league contract with a signing bonus of $32,800. | Saturday, August 2nd, 1975 | Signed Ángel Corral to a minor league contract with a signing bonus of $17,200. | Wednesday, July 30th, 1975 | MR John Estes was designated for assignment, placed on waivers and taken off the 40-man roster. | Traded 20-year-old minor league starting pitcher John Cook to the Houston Bullfighters, getting 25-year-old reliever Juan Luis Cruz in return. | Saturday, July 26th, 1975 | Signed José Bernard to a minor league contract with a signing bonus of $65,500. | Thursday, July 10th, 1975 | Activated SS Miguel Garza from the disabled list. | 2B Alfredo Hernández was designated for assignment and placed on waivers (from active). | Thursday, May 15th, 1975 | Activated 3B Charlie Johnston from the disabled list. | SS Howard Anslow was designated for assignment and placed on waivers (from active). | Monday, May 5th, 1975 | Placed RF Alfredo Ortíz on the 60-day disabled list. | Wednesday, March 26th, 1975 | Activated SP Ralph Walker from the 60-day disabled list. | SP Lynn Hopkins was designated for assignment, placed on waivers and taken off the 40-man roster. | Tuesday, March 25th, 1975 | Placed RF Danny White on the 9-day disabled list. | Wednesday, March 19th, 1975 | Placed 2B Danny Ellis on the 9-day disabled list. | Tuesday, October 15th, 1974 | Signed team doctor Michael Bailey to a 5-year, $34,500 per year contract. | |
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