| Friday, September 14th, 1951 | Activated 3B Martín Moya from the disabled list. | Sunday, September 9th, 1951 | Activated LF Alfred Adams from the disabled list. | Thursday, August 16th, 1951 | Activated 1B Pedro Reyes from the disabled list. | Sunday, August 12th, 1951 | Placed 1B Dale Pettway on waivers. | Wednesday, August 8th, 1951 | Signed Ray Sours to a minor league contract with a signing bonus of $8,200. | Tuesday, August 7th, 1951 | Signed Elliott Hardy to a minor league contract with a signing bonus of $2,700. | Friday, August 3rd, 1951 | Signed Xavier Domínguez to a minor league contract with a signing bonus of $3,700. | Sunday, July 29th, 1951 | Signed Norberto Rodríguez to a minor league contract with a signing bonus of $37,500. | Saturday, June 16th, 1951 | Activated LF Alfred Adams from the disabled list. | LF Mario Reyes was designated for assignment and placed on irrevocable waivers. | Thursday, April 26th, 1951 | Activated RF Hugh O'Hagarty from the disabled list. | LF Eduardo Berrera was designated for assignment and placed on irrevocable waivers. | Saturday, March 24th, 1951 | Placed MR Ralph Simpson on the 15-day disabled list. | |
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