| Sunday, August 26th, 1956 | Activated SP José Cabrera from the disabled list. | Thursday, August 16th, 1956 | Released LF Will Lewis. | Saturday, July 21st, 1956 | Placed MR Ángel Hernández on the 15-day disabled list. | Saturday, July 7th, 1956 | Placed RF Raúl Gonzáles on the 15-day disabled list. | Friday, June 15th, 1956 | Released LF Marlon Burt. | Promoted 3B Alfonso Gonzáles to Double A San Antonio. | Received 1B Steve Lee from Double A San Antonio. | Promoted 1B Steve Lee to Double A San Antonio. | Received 2B Raúl López from Double A San Antonio. | Promoted 2B Raúl López to Double A San Antonio. | Received 3B Alfonso Gonzáles from Double A San Antonio. | Promoted 3B Alfonso Gonzáles to Double A San Antonio. | Received 2B Raúl López from Double A San Antonio. | Drafted SS Jamie Robertson in the 1956 first-year player draft (Round 6, Pick 6, 90th overall pick). | Drafted CF Chris Roberts in the 1956 first-year player draft (Round 7, Pick 6, 106th overall pick). | Drafted 2B António Aguilar in the 1956 first-year player draft (Round 8, Pick 6, 122nd overall pick). | Drafted MR Nolan McCann in the 1956 first-year player draft (Round 9, Pick 6, 138th overall pick). | Drafted C Joe Baker in the 1956 first-year player draft (Round 10, Pick 6, 154th overall pick). | Sunday, June 10th, 1956 | Released RF Dan Teare. | Friday, June 8th, 1956 | Activated 1B Dani Sánchez from the disabled list. | Saturday, May 26th, 1956 | Placed RF Juan Mallorca on the 15-day disabled list. | Wednesday, April 18th, 1956 | Released RF Glen Green. | Wednesday, March 7th, 1956 | Released MR Joe Posner. | Thursday, December 1st, 1955 | Activated 2B Raúl López from the disabled list. | Wednesday, November 16th, 1955 | Placed 2B Raúl López on the 15-day disabled list. | Friday, September 16th, 1955 | Activated MR John Moser from the disabled list. | Wednesday, September 14th, 1955 | Released 2B Iván Mejía. | Tuesday, September 13th, 1955 | Released 2B Billy Shaw. | Saturday, September 10th, 1955 | Released 3B Ron Young. | |
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