| Monday, July 2nd, 1951 | Released MR José Ruíz. | Saturday, June 30th, 1951 | Placed C Brett Novak on the 15-day disabled list. | Monday, June 18th, 1951 | Placed C Arturo López on the 15-day disabled list. | Friday, June 15th, 1951 | Promoted MR Francisco Vargas to Double A Beeville. | Received SP Jorge Pérez from Double A Beeville. | Drafted SP Alejandro Vélez in the 1951 first-year player draft (Round 6, Pick 13, 93rd overall pick). | Drafted C Arturo López in the 1951 first-year player draft (Round 7, Pick 13, 109th overall pick). | Drafted SP Dai-lin Zhou in the 1951 first-year player draft (Round 8, Pick 13, 125th overall pick). | Drafted C Abel Kaufman in the 1951 first-year player draft (Round 9, Pick 13, 141st overall pick). | Drafted SP Brian Holt in the 1951 first-year player draft (Round 10, Pick 13, 157th overall pick). | Monday, May 21st, 1951 | Placed SP Pedro López on the 15-day disabled list. | |
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