| Thursday, August 12th, 1965 | Activated CF Howard Wagner from the disabled list. | Sunday, July 4th, 1965 | Placed CF Howard Wagner on the 15-day disabled list. | Friday, June 18th, 1965 | Placed SP Bill Warren on the 15-day disabled list. | Tuesday, June 15th, 1965 | Drafted C David O'Dwyer in the 1965 first-year player draft (Round 7, Pick 14, 135th overall pick). | Drafted MR Erik Horton in the 1965 first-year player draft (Round 8, Pick 14, 153rd overall pick). | Drafted MR António Juárez in the 1965 first-year player draft (Round 9, Pick 14, 171st overall pick). | Drafted SP Alberto Valdéz in the 1965 first-year player draft (Round 10, Pick 14, 189th overall pick). | Monday, June 14th, 1965 | Placed 2B Pedro Herrera on the 15-day disabled list. | Friday, November 13th, 1964 | Activated MR José Montaño from the disabled list. | Tuesday, October 13th, 1964 | 3B Dwight Sims becomes a free-agent. | |
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