| | | Saturday, July 13th, 1957 | | Activated RF Chris Parker from the disabled list. | | Thursday, July 4th, 1957 | | Released SS Thu Vu. | | Tuesday, June 18th, 1957 | | Activated 3B Alfonso Rosado from the disabled list. | | Saturday, June 15th, 1957 | | Drafted RF Vicente López in the 1957 first-year player draft (Round 6, Pick 8, 95th overall pick). | | Drafted 3B Thomas Howe in the 1957 first-year player draft (Round 7, Pick 8, 111st overall pick). | | Drafted C Greg Bennett in the 1957 first-year player draft (Round 8, Pick 8, 127th overall pick). | | Drafted MR Manuel Martínez in the 1957 first-year player draft (Round 9, Pick 8, 143rd overall pick). | | Drafted SP Pedro Medina in the 1957 first-year player draft (Round 10, Pick 8, 159th overall pick). | | Sunday, May 26th, 1957 | | Placed 3B Enrique Ríos on the 15-day disabled list. | | Monday, November 5th, 1956 | | Activated SS Manuel Fernández from the disabled list. | | Wednesday, October 10th, 1956 | | Activated SS Tyler Greene from the disabled list. | | Wednesday, September 5th, 1956 | | Activated 1B Joseph Barber from the disabled list. | | Wednesday, August 29th, 1956 | | Released SS Thu Vu. | |
|