| | | Sunday, September 24th, 1972 | | Placed SP W. Simpson on the 15-day disabled list. |
| Wednesday, August 16th, 1972 | | Released SP S. Ellis. | | Placed LF B. Bailey on the active roster. | | Activated LF B. Bailey from the 60-day disabled list. |
| Wednesday, March 1st, 1972 | | Drafted LF G. Matthews in the 1972 first-year player draft (Round 1, Pick 5, 5th overall Pick). | | Drafted SP D. Tidrow in the 1972 first-year player draft (Round 1, Pick 10, 10th overall Pick). | | Drafted SP R. Schueler in the 1972 first-year player draft (Round 3, Pick 10, 34th overall Pick). | | Drafted C R. Dempsey in the 1972 first-year player draft (Round 4, Pick 10, 46th overall Pick). | | Drafted C B. Boone in the 1972 first-year player draft (Round 4, Pick 11, 47th overall Pick). | | Drafted 1B T. Hutton in the 1972 first-year player draft (Round 5, Pick 10, 58th overall Pick). |
| Monday, February 7th, 1972 | | Traded $1 in cash to the Boston Federals, getting 30-year-old minor league catcher M. Ryan, 22-year-old minor league center fielder B. North and a 4th round draft pick in return. |
| Sunday, February 6th, 1972 | | Signed free agent 2B M. De La Hoz to a 3-year contract worth a total of $8,040,000. | | Signed free agent SP S. Ellis to a 1-year contract worth a total of $300,000. |
| Monday, November 1st, 1971 | | CF D. Unser received a 1-year contract through automatic renewal worth a total of $750,000. | | 1B G. Hopkins received a 1-year contract through automatic renewal worth a total of $300,000. | | CF C. Cedeno received a 1-year contract through automatic renewal worth a total of $2,000,000. | | CL R. Cleveland received a 1-year contract through automatic renewal worth a total of $750,000. | | RF N. Miller received a 1-year contract through automatic renewal worth a total of $300,000. | | SP J. Billingham received a 1-year contract through automatic renewal worth a total of $1,000,000. | | SP J. McAndrew received a 1-year contract through automatic renewal worth a total of $2,300,000. | | SS B. Harrelson received a 1-year contract through automatic renewal worth a total of $300,000. | | 3B D. Kingman received a 1-year contract through automatic renewal worth a total of $2,300,000. | | MR J. Willoughby received a 1-year contract through automatic renewal worth a total of $300,000. | | 1B C. Chambliss received a 1-year contract through automatic renewal worth a total of $1,500,000. | | C J. Bench received a 1-year contract through automatic renewal worth a total of $2,500,000. | | MR W. Simpson received a 1-year contract through automatic renewal worth a total of $300,000. | | SP G. Gentry received a 1-year contract through automatic renewal worth a total of $300,000. | | RF W. Crawford received a 1-year contract through automatic renewal worth a total of $1,500,000. | | 2B J. Ellis received a 1-year contract through automatic renewal worth a total of $300,000. | | SP R. Nye received a 1-year contract through automatic renewal worth a total of $750,000. | | C D. Sims received a 1-year contract through automatic renewal worth a total of $1,500,000. | | SP B. Lee received a 1-year contract through automatic renewal worth a total of $2,000,000. | | 3B W. Garrett received a 1-year contract through automatic renewal worth a total of $300,000. | | SP R. Kline becomes a free-agent. |
| Friday, October 29th, 1971 | | SP G. Perry received a 1-year contract through arbitration worth a total of $2,881,000. | | SP J. Merritt received a 1-year contract through arbitration worth a total of $2,888,000. | | LF B. Bailey received a 1-year contract through arbitration worth a total of $5,500,000. | | SS B. Consolo received a 1-year contract through arbitration worth a total of $651,420. | | 2B R. Carew received a 1-year contract through arbitration worth a total of $4,793,700. | | RF C. Blefary received a 1-year contract through arbitration worth a total of $1,215,000. |
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