| Tuesday, July 10th, 1951 | Activated SP Millard Simon from the disabled list. | Wednesday, July 4th, 1951 | Activated SP Seiryo Tanaka from the disabled list. | Wednesday, June 27th, 1951 | Activated SP Nick Chamberlain from the disabled list. | Thursday, June 21st, 1951 | Placed SP Millard Simon on the 15-day disabled list. | Friday, June 15th, 1951 | Promoted MR Marty Webb to Double A Brownsville. | Received SP Claudio Benavides from Double A Brownsville. | Drafted CF Javier López in the 1951 first-year player draft (Round 6, Pick 9, 89th overall pick). | Drafted RF Cary Stout in the 1951 first-year player draft (Round 7, Pick 9, 105th overall pick). | Drafted 2B Mark Stuart in the 1951 first-year player draft (Round 8, Pick 9, 121st overall pick). | Drafted SP Manuel Cabrera in the 1951 first-year player draft (Round 10, Pick 9, 153rd overall pick). | Promoted 2B Mark Stuart to Double A Brownsville. | Promoted CF Javier López to Double A Brownsville. | Received 3B Leonardo Rodríguez from Double A Brownsville. | Received LF Ronnie Rose from Double A Brownsville. | Placed CF Albert Muńóz on the 15-day disabled list. | Saturday, May 26th, 1951 | Activated CF Albert Muńóz from the disabled list. | Wednesday, April 18th, 1951 | Placed CF Albert Muńóz on the 15-day disabled list. | |
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