| Thursday, August 13th, 1964 | Placed 2B Luis Olivarez on the 15-day disabled list. | Sunday, July 12th, 1964 | Released SS John Ivey. | Saturday, July 11th, 1964 | Released SS José Crus. | Friday, July 10th, 1964 | Released 2B John Hunt. | Saturday, June 27th, 1964 | Placed MR Luis Rivera on the 15-day disabled list. | Tuesday, June 23rd, 1964 | Placed LF José Rangel on the 15-day disabled list. | Monday, June 15th, 1964 | Drafted 2B Leo Swanson in the 1964 first-year player draft (Round 6, Pick 11, 108th overall pick). | Drafted 2B Alberto Jaramillo in the 1964 first-year player draft (Round 7, Pick 11, 126th overall pick). | Drafted SP Bryce Cox in the 1964 first-year player draft (Round 8, Pick 11, 144th overall pick). | Drafted SP Chris Hart in the 1964 first-year player draft (Round 9, Pick 11, 162nd overall pick). | Drafted MR Daniel Alford in the 1964 first-year player draft (Round 10, Pick 11, 180th overall pick). | Placed SP José Villarreal on the 15-day disabled list. | Sunday, June 14th, 1964 | Placed SP Bob Metcalf on the 15-day disabled list. | Wednesday, May 20th, 1964 | Activated SP José Villarreal from the disabled list. | Monday, May 4th, 1964 | Activated LF José Rangel from the disabled list. | |
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