| Friday, August 19th, 1966 | Activated MR Sebastien Cetta from the disabled list. | Saturday, July 9th, 1966 | Placed MR Luis Mendoza on the 15-day disabled list. | Wednesday, June 15th, 1966 | Promoted SP Britt Moore to Double A Beeville. | Received MR Jesús Hernández from Double A Beeville. | Promoted CL Jesús Hernández to Double A Beeville. | Drafted MR Royce McAlear in the 1966 first-year player draft (Round 6, Pick 7, 100th overall pick). | Drafted CF Jacob Ruffin in the 1966 first-year player draft (Round 7, Pick 7, 118th overall pick). | Drafted LF Carlos Durán in the 1966 first-year player draft (Round 8, Pick 7, 136th overall pick). | Drafted LF Keith Lutton in the 1966 first-year player draft (Round 9, Pick 7, 154th overall pick). | Drafted MR John Thomas in the 1966 first-year player draft (Round 10, Pick 7, 172nd overall pick). | Promoted MR Kinji Kikuchi to Double A Beeville. | Received MR Jesús Hernández from Double A Beeville. | Thursday, June 2nd, 1966 | Placed 2B Jason Duncan on the 15-day disabled list. | Thursday, April 14th, 1966 | Placed SP Mike Lewis on the 15-day disabled list. | Wednesday, October 13th, 1965 | MR Andy Davis becomes a free-agent. | Tuesday, August 31st, 1965 | Activated LF Bob Moore from the disabled list. | |
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