| Thursday, August 27th, 1964 | Activated LF Alfredo Luna from the disabled list. | Saturday, June 27th, 1964 | Activated SP Héctor Guzmán from the disabled list. | Monday, June 15th, 1964 | Promoted SP Adri de Jongh to Double A Brownsville. | Received SP Otis McCarthy from Double A Brownsville. | Received 3B António Alejo from Triple A Hamilton. | Received 3B Fu-chi Fong from Triple A Hamilton. | Drafted CF Mike Yates in the 1964 first-year player draft (Round 6, Pick 16, 113rd overall pick). | Drafted SP Arnold Dillon in the 1964 first-year player draft (Round 7, Pick 16, 131st overall pick). | Drafted 2B Tim Gourley in the 1964 first-year player draft (Round 8, Pick 16, 149th overall pick). | Drafted SP Jeffrey Wilson in the 1964 first-year player draft (Round 9, Pick 16, 167th overall pick). | Drafted MR Charlie Spicer in the 1964 first-year player draft (Round 10, Pick 16, 185th overall pick). | Promoted CF Edward Spencer to Double A Brownsville. | Placed SP Manny Viña on the 15-day disabled list. | Monday, June 8th, 1964 | Placed SP Héctor Guzmán on the 15-day disabled list. | Sunday, April 19th, 1964 | Placed SP Liben Hakimi on the 15-day disabled list. | Thursday, September 12th, 1963 | Activated 3B Harris Singer from the disabled list. | Saturday, August 31st, 1963 | Signed hitting coach Joe Church. | Thursday, August 29th, 1963 | Activated RF Ray Edwards from the disabled list. | Wednesday, August 28th, 1963 | Activated SS Tony Cervantes from the disabled list. | |
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