| Friday, July 25th, 1952 | Activated MR John McClain from the disabled list. | Sunday, July 6th, 1952 | Activated SP Lee Mayfield from the disabled list. | Wednesday, June 18th, 1952 | Activated 1B Ed Johnson from the disabled list. | Sunday, June 15th, 1952 | Promoted SP Millard Simon to Double A Brownsville. | Promoted MR Alan Penn to Double A Brownsville. | Promoted 1B Fred Henderson to Double A Brownsville. | Received SP Tommy Scheel from Double A Brownsville. | Received SP Rod Duncan from Double A Brownsville. | Received SS Mike Caldwell from Double A Brownsville. | Drafted SP Júlio Hernández in the 1952 first-year player draft (Round 7, Pick 1, 105th overall pick). | Drafted 2B Juan Barriero in the 1952 first-year player draft (Round 8, Pick 1, 121st overall pick). | Drafted 1B José Salas in the 1952 first-year player draft (Round 9, Pick 1, 137th overall pick). | Drafted SS Woody Dickerson in the 1952 first-year player draft (Round 10, Pick 1, 153rd overall pick). | Monday, May 19th, 1952 | Placed CF Cary Stout on the 15-day disabled list. | Saturday, May 17th, 1952 | Placed 1B Ed Johnson on the 15-day disabled list. | Thursday, August 30th, 1951 | Signed Hitting Coach Pedro Martínez to a 1-year contract extension. | |
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