| Monday, July 18th, 1966 | Signed free agent MR Ron Cox to a minor league contract. | Demoted MR Ron Cox to Single A Fullerton. | Wednesday, June 1st, 1966 | Placed RF Máximo Pérez on the 15-day disabled list. | Thursday, May 5th, 1966 | Activated 3B António Raias from the disabled list. | Tuesday, April 19th, 1966 | Signed free agent 1B Bob Moss to a minor league contract. | Demoted 1B Bob Moss to Single A Fullerton. | |
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