| | | Sunday, May 15th, 1966 | | Activated 2B Arthur Spencer from the disabled list. | | Tuesday, May 10th, 1966 | | Activated 3B Rafael Chávez from the disabled list. | | Monday, January 31st, 1966 | | Activated 1B Isei Okada from the disabled list. | | Wednesday, September 15th, 1965 | | Signed pitching coach António Durán. | | Thursday, September 9th, 1965 | | Activated RF Salvador Iampos from the disabled list. | |
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