| | | Thursday, October 12th, 1972 | | 1B D. Stuart retires. |
| Saturday, February 19th, 1972 | | Signed free agent 3B P. Schaal to a 2-year contract worth a total of $2,580,000. | | Signed free agent CF A. Phillips to a 1-year contract worth a total of $450,000. |
| Saturday, February 12th, 1972 | | Signed free agent SS D. Maxvill to a 2-year contract worth a total of $900,000. | | Signed free agent 2B G. Beckert to a 2-year contract worth a total of $1,570,000. | | Signed free agent CF C. Tovar to a 2-year contract worth a total of $920,000. | | Signed free agent MR M. Paul to a 1-year contract worth a total of $1,910,000. |
| Monday, February 7th, 1972 | | Placed MR R. Fingers on the 15-day disabled list. | | Demoted RF B. Murcer to Triple A Pittsburgh. | | Traded a 1st round draft pick and a 2nd round draft pick to the Brooklyn Superbas, getting a 1st round draft pick in return. |
| Sunday, February 6th, 1972 | | Signed free agent RF B. Murcer to a 2-year contract worth a total of $1,240,000. |
| Thursday, February 3rd, 1972 | | Signed free agent MR R. Fingers to a 2-year contract worth a total of $1,230,000. |
| Monday, November 1st, 1971 | | C J. Oates received a 1-year contract through automatic renewal worth a total of $780,000. | | 2B F. Millan received a 1-year contract through automatic renewal worth a total of $490,000. | | SP A. Foster received a 1-year contract through automatic renewal worth a total of $1,000,000. | | CF E. Maddox received a 1-year contract through automatic renewal worth a total of $2,000,000. | | CL A. Fitzmorris received a 1-year contract through automatic renewal worth a total of $500,000. | | 3B J. Kenney received a 1-year contract through automatic renewal worth a total of $750,000. | | SP E. McAnally received a 1-year contract through automatic renewal worth a total of $1,500,000. | | MR C. Williams received a 1-year contract through automatic renewal worth a total of $300,000. | | 1B B. Watson received a 1-year contract through automatic renewal worth a total of $1,500,000. | | MR T. Farrell becomes a free-agent. | | SS E. Brinkman received a 1-year contract through automatic renewal worth a total of $300,000. | | LF L. Piniella received a 1-year contract through automatic renewal worth a total of $750,000. | | 3B D. Money received a 1-year contract through automatic renewal worth a total of $400,000. | | SP E. Francis becomes a free-agent. | | SS F. Patek received a 1-year contract through automatic renewal worth a total of $300,000. | | RF W. Williams received a 1-year contract through automatic renewal worth a total of $300,000. | | SP F. Reberger received a 1-year contract through automatic renewal worth a total of $300,000. | | C A. Etchebarren received a 1-year contract through automatic renewal worth a total of $300,000. | | MR S. Mingori received a 1-year contract through automatic renewal worth a total of $750,000. | | 1B C. Cooper received a 1-year contract through automatic renewal worth a total of $2,000,000. | | CL B. Humphreys received a 1-year contract through automatic renewal worth a total of $620,000. | | LF B. Robinson received a 1-year contract through automatic renewal worth a total of $750,000. | | SP S. Kline received a 1-year contract through automatic renewal worth a total of $1,500,000. | | Released RF J. Alou. | | Released C J. Oates. |
| Friday, October 29th, 1971 | | SP J. Palmer received a 1-year contract through arbitration worth a total of $4,878,000. |
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