| Friday, July 8th, 1955 | Released SS Phil Hall. | Monday, June 20th, 1955 | Activated RF Garry Goodman from the disabled list. | Wednesday, June 15th, 1955 | Received 3B Felipe Valdéz from Triple A Port Credit. | Promoted SS Tony Varela to Double A Galveston. | Received 3B Rafael Chávez from Double A Galveston. | Drafted 1B Jesús Juárez in the 1955 first-year player draft (Round 6, Pick 8, 97th overall pick). | Drafted SP Vidal Villacorta in the 1955 first-year player draft (Round 7, Pick 8, 114th overall pick). | Drafted SS Chris Gregory in the 1955 first-year player draft (Round 8, Pick 8, 130th overall pick). | Drafted MR Jeremy Cannon in the 1955 first-year player draft (Round 9, Pick 8, 146th overall pick). | Drafted C Morton Jones in the 1955 first-year player draft (Round 10, Pick 8, 162nd overall pick). | Promoted CF Abdur Razzaq Sistani to Double A Galveston. | Received 1B Dave McGrath from Double A Galveston. | Thursday, June 9th, 1955 | Placed CF Flint Bumble on the 15-day disabled list. | Sunday, June 5th, 1955 | Placed RF Garry Goodman on the 15-day disabled list. | Tuesday, January 18th, 1955 | Released 1B Bobby Wynn. | Sunday, November 7th, 1954 | Activated MR Chris Craft from the disabled list. | Saturday, October 23rd, 1954 | Placed MR Chris Craft on the 15-day disabled list. | Sunday, October 17th, 1954 | Activated MR Chin-yeol Chang from the disabled list. | Monday, September 6th, 1954 | Activated SS Ed Smith from the disabled list. | |
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