| Monday, August 20th, 1956 | Placed CF Gerry Gillorn on the 15-day disabled list. | Monday, August 13th, 1956 | Released 1B Dave Ray. | Tuesday, August 7th, 1956 | Placed 3B Julius Herbert on the 15-day disabled list. | Tuesday, July 24th, 1956 | Activated MR Luis Rodríguez from the disabled list. | Monday, July 23rd, 1956 | Activated RF Gene McCoy from the disabled list. | Activated CF Gerry Gillorn from the disabled list. | Wednesday, June 27th, 1956 | Placed RF Gene McCoy on the 15-day disabled list. | Released MR Kip Ball. | Friday, June 15th, 1956 | Drafted 1B Arturo Barrón in the 1956 first-year player draft (Round 6, Pick 7, 91st overall pick). | Drafted CL Jacob Carter in the 1956 first-year player draft (Round 7, Pick 7, 107th overall pick). | Drafted 1B William McKenzie in the 1956 first-year player draft (Round 8, Pick 7, 123rd overall pick). | Drafted SP William Franklin in the 1956 first-year player draft (Round 9, Pick 7, 139th overall pick). | Drafted MR Dave Goodwin in the 1956 first-year player draft (Round 10, Pick 7, 155th overall pick). | Wednesday, April 25th, 1956 | Activated CL Juan Gutiérrez from the disabled list. | Wednesday, April 11th, 1956 | Released 3B Jim Duffy. | Sunday, February 19th, 1956 | Activated SP Lee Mayfield from the disabled list. | Wednesday, November 30th, 1955 | Released MR Matt Wilson. | Thursday, November 10th, 1955 | Activated LF Curt MacGruder from the disabled list. | Wednesday, September 14th, 1955 | Released MR Mark Burns. | Monday, September 5th, 1955 | Activated SP Justin Porter from the disabled list. | |
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