| | | Sunday, August 5th, 1956 | | Activated RF Ward Crockett from the disabled list. | | Friday, June 15th, 1956 | | Released LF Dave Stone. | | Promoted 2B Robert Lawrence to Double A Eagle Pass. | | Promoted 1B Leo Lindop to Double A Eagle Pass. | | Received 1B Eduardo Árias from Double A Eagle Pass. | | Received 2B Michael Melton from Double A Eagle Pass. | | Received LF Dave Stone from Double A Eagle Pass. | | Drafted SP Felipe Berrios in the 1956 first-year player draft (Round 6, Pick 12, 96th overall pick). | | Drafted SP Thomas Weatherly in the 1956 first-year player draft (Round 7, Pick 12, 112nd overall pick). | | Drafted MR James Simmons in the 1956 first-year player draft (Round 9, Pick 12, 144th overall pick). | | Drafted MR Juan Martínez in the 1956 first-year player draft (Round 10, Pick 12, 160th overall pick). | | Monday, March 5th, 1956 | | Activated SP Anastasio Pérez from the disabled list. | |
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