| Monday, September 14th, 1964 | Placed 1B Adrik Jivyh on waivers. | Friday, August 14th, 1964 | Failed to sign 7th round draft pick Mike Allen. | Monday, August 10th, 1964 | Signed Ernesto Toro to a minor league contract with a signing bonus of $11,000. | Saturday, August 8th, 1964 | Signed Rodney White to a minor league contract with a signing bonus of $51,200. | Friday, August 7th, 1964 | Signed Jorge Herrera to a minor league contract with a signing bonus of $130,500. | Signed Augusto Fuentes to a minor league contract with a signing bonus of $24,000. | Signed William Raymond to a minor league contract with a signing bonus of $7,200. | Tuesday, August 4th, 1964 | Placed LF Joe Hoffman on the 60-day disabled list. | Tuesday, July 28th, 1964 | Signed José Márquez to a minor league contract with a signing bonus of $101,600. | Saturday, July 18th, 1964 | Signed Dan Murdock to a minor league contract with a signing bonus of $65,000. | Thursday, June 18th, 1964 | Signed César Villarreal to a minor league contract with a signing bonus of $7,900. | Tuesday, April 7th, 1964 | Placed MR Ángel Montoya on the 13-day disabled list. | Saturday, October 26th, 1963 | Signed pitching coach Leif Spinks to a 5-year, $12,700 per year contract. | Wednesday, October 16th, 1963 | Signed manager Shane Knowles to a 5-year, $40,800 per year contract. | |
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