| Sunday, July 7th, 1974 | Activated RF Alberto Blanco from the disabled list. | Friday, June 21st, 1974 | Placed SP Pancho Martínez on the 15-day disabled list. | Saturday, June 15th, 1974 | Promoted 1B Andrew Adams to Double A Port Lavaca. | Received 1B Héctor Mercado from Double A Port Lavaca. | Placed RF Alberto Blanco on the 15-day disabled list. | Drafted SS Lance Smith in the 1974 first-year player draft (Round 6, Pick 12, 114th overall pick). | Drafted SP Steve Harden in the 1974 first-year player draft (Round 7, Pick 12, 134th overall pick). | Drafted C José Rivera in the 1974 first-year player draft (Round 8, Pick 12, 154th overall pick). | Drafted MR Jim Clay in the 1974 first-year player draft (Round 9, Pick 12, 174th overall pick). | Drafted C Miguel Sousa in the 1974 first-year player draft (Round 10, Pick 12, 194th overall pick). | Wednesday, June 12th, 1974 | Released SP José Ortíz. | Saturday, June 8th, 1974 | Activated C Juan Valadez from the disabled list. | Friday, May 17th, 1974 | Placed RF Alberto Blanco on the 15-day disabled list. | Thursday, September 6th, 1973 | Activated SP Miguel Romero from the disabled list. | Thursday, August 30th, 1973 | Activated RF Kazuyuki Abe from the disabled list. | |
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