| Thursday, August 13th, 1964 | Placed SP Jeff Carr on the 15-day disabled list. | Released 3B Clyde Hayes. | Thursday, August 6th, 1964 | Released SS José Ramos. | Sunday, August 2nd, 1964 | Released SS José Crus. | Monday, June 15th, 1964 | Activated C Tony Hall from the disabled list. | Promoted RF Greg Lockhart to Double A Victoria. | Received 3B Alonso De Jesús from Double A Victoria. | Promoted 1B Bruno Yglsias to Double A Victoria. | Received 3B Hideki Akiyama from Double A Victoria. | Received 1B Pancho Martínez from Double A Victoria. | Promoted 3B Dale Aberdein to Double A Victoria. | Received RF Greg Lockhart from Double A Victoria. | Promoted RF Greg Lockhart to Double A Victoria. | Received 1B Sean Rutledge from Double A Victoria. | Drafted 2B Jeff Morgan in the 1964 first-year player draft (Round 6, Pick 17, 114th overall pick). | Drafted MR Francisco Gallegos in the 1964 first-year player draft (Round 7, Pick 17, 132nd overall pick). | Drafted C Jesús Navarro in the 1964 first-year player draft (Round 8, Pick 17, 150th overall pick). | Drafted SP Ronald McKinney in the 1964 first-year player draft (Round 9, Pick 17, 168th overall pick). | Drafted MR Felipe Navarro in the 1964 first-year player draft (Round 10, Pick 17, 186th overall pick). | Thursday, February 20th, 1964 | Released 3B Bob Fríaz. | Saturday, September 14th, 1963 | Activated SS Ángel Mata from the disabled list. | |
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