| Monday, October 14th, 1957 | Activated SP Jon Dennis from the disabled list. | Monday, October 7th, 1957 | Placed CF Dan Westphal on the 15-day disabled list. | Activated SP Ward Barrett from the disabled list. | Thursday, October 3rd, 1957 | Activated LF Darren Nelson from the disabled list. | Friday, September 27th, 1957 | Placed SS José Gonzáles on the 15-day disabled list. | Tuesday, September 24th, 1957 | Placed SP Jon Dennis on the 15-day disabled list. | Placed MR Martin Davis on the 60-day disabled list. | Purchased the contract of MR Pedro Rosas from Double A Alice. | Sunday, September 22nd, 1957 | Placed SP Ward Barrett on the 15-day disabled list. | Tuesday, September 17th, 1957 | Activated C Ramón Guerrero from the disabled list. | Sunday, September 15th, 1957 | Activated 1B José Piña from the disabled list. | Thursday, September 12th, 1957 | Placed RF Koin Murayama on the 15-day disabled list. | Thursday, September 5th, 1957 | Placed LF Darren Nelson on the 15-day disabled list. | Tuesday, August 27th, 1957 | MR Félix Escobedo was designated for assignment and placed on waivers (from active). | Wednesday, August 14th, 1957 | Failed to sign 1st round draft pick Henry Hinton. | Failed to sign 3rd round draft pick António Díaz. | Monday, August 12th, 1957 | Signed Marcos Cruz to a minor league contract with a signing bonus of $3,000. | Friday, August 9th, 1957 | Signed Will Taylor to a minor league contract with a signing bonus of $33,600. | Signed Carlos Acosta to a minor league contract with a signing bonus of $5,600. | Wednesday, July 31st, 1957 | MR Lorenzo Zúñiga was designated for assignment and placed on irrevocable waivers. | Sunday, June 16th, 1957 | Activated CF Dan Westphal from the disabled list. | LF Butch Martin was designated for assignment and placed on waivers (from active). | Sunday, June 2nd, 1957 | Placed RF Paul Hicks on the 15-day disabled list. | Purchased the contract of LF Todd May from Triple A Keswick. | Wednesday, April 17th, 1957 | Activated MR Félix Escobedo from the disabled list. | MR Glenn Knowles was designated for assignment and placed on irrevocable waivers. | Friday, March 29th, 1957 | SS Alfredo Gómez was designated for assignment, placed on waivers and taken off the 40-man roster. | Sunday, March 24th, 1957 | Placed SS Mark Taylor on the 15-day disabled list. | Purchased the contract of 2B Luis León from Double A Alice. | CL Paul Patterson was designated for assignment, placed on waivers and taken off the 40-man roster. | Wednesday, November 14th, 1956 | Purchased the contract of SP Domingo García from Triple A Keswick. | MR Leonard Adams was designated for assignment and placed on waivers (from active). | |
|