| Sunday, August 11th, 1957 | Released MR Ken King. | Monday, July 29th, 1957 | Placed MR Cale Cochran on the 15-day disabled list. | Monday, June 24th, 1957 | Activated RF Eduardo Gómez from the disabled list. | Saturday, June 15th, 1957 | Drafted 2B Greg Pitts in the 1957 first-year player draft (Round 6, Pick 13, 100th overall pick). | Drafted LF Gonzalo Ruíz in the 1957 first-year player draft (Round 7, Pick 13, 116th overall pick). | Drafted SS Dong-kwan Pak in the 1957 first-year player draft (Round 8, Pick 13, 132nd overall pick). | Drafted 3B Jason Leonard in the 1957 first-year player draft (Round 9, Pick 13, 148th overall pick). | Drafted MR Cipriano Silva in the 1957 first-year player draft (Round 10, Pick 13, 164th overall pick). | Thursday, June 13th, 1957 | Placed CF Duane Anderson on the 15-day disabled list. | Tuesday, May 28th, 1957 | Placed RF Eduardo Gómez on the 15-day disabled list. | Tuesday, May 21st, 1957 | Activated SP Mike Clark from the disabled list. | Monday, May 6th, 1957 | Placed SP Mike Clark on the 15-day disabled list. | Monday, April 29th, 1957 | Activated SP Eric Clark from the disabled list. | Wednesday, April 10th, 1957 | Placed SP Eric Clark on the 15-day disabled list. | Saturday, December 1st, 1956 | Released 2B Gary Bass. | Sunday, November 4th, 1956 | Activated SP Cale Cochran from the disabled list. | Tuesday, October 16th, 1956 | Activated SS José Morales from the disabled list. | |
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