| Saturday, August 22nd, 1964 | Activated SP Yoshiki Kichida from the disabled list. | Wednesday, August 12th, 1964 | Activated SP Pedro Flores from the disabled list. | Saturday, August 8th, 1964 | Activated RF Andrew Eaton from the disabled list. | Friday, July 31st, 1964 | Placed MR José Montańo on the 15-day disabled list. | Thursday, July 23rd, 1964 | Activated SP Pedro Flores from the disabled list. | Friday, July 10th, 1964 | Placed RF Andrew Eaton on the 15-day disabled list. | Saturday, June 27th, 1964 | Activated C Roberto Maes from the disabled list. | Monday, June 15th, 1964 | Drafted SS Jacques Girouard in the 1964 first-year player draft (Round 6, Pick 9, 106th overall pick). | Drafted SP Armando Mata in the 1964 first-year player draft (Round 8, Pick 9, 142nd overall pick). | Drafted SS Terry Bonner in the 1964 first-year player draft (Round 9, Pick 9, 160th overall pick). | Drafted SP Earl Jones in the 1964 first-year player draft (Round 10, Pick 9, 178th overall pick). | Promoted RF Luis Antonio Valdés to Double A Harlingen. | Monday, November 18th, 1963 | Activated MR Gary Allen from the disabled list. | Tuesday, November 5th, 1963 | Activated SP Héctor Valentín from the disabled list. | |
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