| Thursday, June 15th, 1972 | Released 2B Narihari Tanaka. | Drafted 1B Fernando López in the 1972 first-year player draft (Round 6, Pick 2, 99th overall pick). | Drafted 3B Ricardo Sánchez in the 1972 first-year player draft (Round 7, Pick 2, 117th overall pick). | Drafted SP José Rocha in the 1972 first-year player draft (Round 8, Pick 2, 135th overall pick). | Drafted SS Matt Morehouse in the 1972 first-year player draft (Round 9, Pick 2, 153rd overall pick). | Sunday, October 31st, 1971 | Activated SP Alfredo Mondoza from the disabled list. | Tuesday, October 12th, 1971 | Activated MR Manuel Muñóz from the disabled list. | Wednesday, September 22nd, 1971 | Activated SP Aaron Callahan from the disabled list. | |
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