| Friday, August 7th, 1964 | Placed RF Fernando García on the 15-day disabled list. | Sunday, August 2nd, 1964 | Released MR Sean Reynolds.(Career-ending injury) | Monday, June 15th, 1964 | Placed LF Fernando García on the 15-day disabled list. | Drafted C Anthony Gilbert in the 1964 first-year player draft (Round 6, Pick 4, 101st overall pick). | Drafted SP Yunosuke Komatsu in the 1964 first-year player draft (Round 7, Pick 4, 119th overall pick). | Drafted SP Lee Waters in the 1964 first-year player draft (Round 8, Pick 4, 137th overall pick). | Drafted SP Francisco González in the 1964 first-year player draft (Round 9, Pick 4, 155th overall pick). | Drafted MR Johnny Copeland in the 1964 first-year player draft (Round 10, Pick 4, 173rd overall pick). | Thursday, June 11th, 1964 | Activated CF Sam Bush from the disabled list. | Saturday, May 16th, 1964 | Placed CF Sam Bush on the 15-day disabled list. | Friday, May 1st, 1964 | Placed SP Chris Harris on the 15-day disabled list. | Tuesday, February 11th, 1964 | Activated C Carlos Álvarez from the disabled list. | Monday, January 27th, 1964 | Placed C Carlos Álvarez on the 15-day disabled list. | Thursday, November 7th, 1963 | Activated SP Jason Gray from the disabled list. | Saturday, October 19th, 1963 | Activated MR Dave Branch from the disabled list. | Monday, September 30th, 1963 | Activated SP Se-tol Un from the disabled list. | |
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