| | | Monday, September 29th, 1975 | | Signed SP Luis Tiant to a 2-year contract extension worth a total of $1,680,000. |
| Saturday, March 1st, 1975 | | Traded $1 in cash to the Denver 14ers, getting 26-year-old minor league third baseman Wayne Garrett and 28-year-old minor league center fielder Rick Monday in return. | | Drafted SP Randy Lerch in the 1975 first-year player draft (Round 4, Pick 11, 53rd overall pick). | | Drafted RF Bob Molinaro in the 1975 first-year player draft (Round 5, Pick 11, 67th overall pick). | | Released RF Bob Molinaro. |
| Wednesday, February 12th, 1975 | | Signed free agent 2B Mike De La Hoz to a 2-year contract worth a total of $5,800,000. |
| Sunday, February 9th, 1975 | | Signed free agent CF Cesar Cedeno to a 3-year contract worth a total of $6,300,000. |
| Friday, November 1st, 1974 | | 2B R. Stennett received a 1-year contract through automatic renewal worth a total of $350,000. | | SS F. Patek received a 1-year contract through automatic renewal worth a total of $350,000. | | SP J. Richard received a 1-year contract through automatic renewal worth a total of $2,200,000. | | CF E. Maddox received a 1-year contract through automatic renewal worth a total of $2,000,000. | | MR A. Fitzmorris received a 1-year contract through automatic renewal worth a total of $500,000. | | MR E. Sprague received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B D. Driessen 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. | | MR C. Williams received a 1-year contract through automatic renewal worth a total of $350,000. | | 2B F. Millan received a 1-year contract through automatic renewal worth a total of $490,000. | | SP B. Hooton received a 1-year contract through automatic renewal worth a total of $750,000. | | SP R. Reuschel received a 1-year contract through automatic renewal worth a total of $2,500,000. | | CL S. Mingori received a 1-year contract through automatic renewal worth a total of $750,000. | | RF J. Orta received a 1-year contract through automatic renewal worth a total of $2,000,000. | | RF B. Murcer received a 1-year contract through automatic renewal worth a total of $670,000. |
| Tuesday, October 29th, 1974 | | SP J. Palmer received a 1-year contract through arbitration worth a total of $4,600,000. | | SP C. Upshaw received a 1-year contract through arbitration worth a total of $3,162,300. | | C D. Josephson received a 1-year contract through arbitration worth a total of $3,520,000. | | MR F. Linzy received a 1-year contract through arbitration worth a total of $3,186,200. | | CF C. Tovar received a 1-year contract through arbitration worth a total of $540,000. | | SP A. Foster received a 1-year contract through arbitration worth a total of $1,606,500. |
| Tuesday, July 16th, 1974 | | Placed 3B D. Driessen on the 15-day disabled list. | | Placed C J. Sundberg on the International League 7-day disabled list. | | Placed LF B. Robinson on the International League 7-day disabled list. | | Purchased the contract of 2B J. Terrell from Triple A Pittsburgh. |
| Sunday, June 16th, 1974 | | Traded 20-year-old minor league third baseman G. Brett, 24-year-old minor league left fielder B. Buckner and a 3rd round draft pick to the Montréal Voyageurs, getting 33-year-old reliever F. Linzy and 33-year-old minor league starting pitcher C. Wright in return. |
| Friday, March 1st, 1974 | | Drafted C J. Sundberg in the 1974 first-year player draft (Round 3, Pick 5, 33rd overall Pick). | | Traded 34-year-old minor league left fielder D. Cater to the Chicago Colts, getting 35-year-old minor league starting pitcher J. Kaat in return. | | Drafted CF T. Whitfield in the 1974 first-year player draft (Round 5, Pick 11, 67th overall Pick). | | Released CF T. Whitfield. |
| Wednesday, February 6th, 1974 | | Signed free agent C T. McCarver to a 3-year contract worth a total of $7,380,000. |
| Sunday, February 3rd, 1974 | | Signed free agent 2B J. Terrell to a 2-year contract worth a total of $1,200,000. |
| Monday, November 5th, 1973 | | 2B R. Stennett received a 1-year contract through automatic renewal worth a total of $300,000. | | SP A. Foster received a 1-year contract through automatic renewal worth a total of $1,000,000. | | SP J. Richard received a 1-year contract through automatic renewal worth a total of $2,200,000. | | CF E. Maddox received a 1-year contract through automatic renewal worth a total of $2,000,000. | | MR A. Fitzmorris received a 1-year contract through automatic renewal worth a total of $500,000. | | MR E. Sprague received a 1-year contract through automatic renewal worth a total of $400,000. | | SS F. Patek received a 1-year contract through automatic renewal worth a total of $300,000. | | MR C. Williams received a 1-year contract through automatic renewal worth a total of $300,000. | | LF B. Oglivie received a 1-year contract through automatic renewal worth a total of $1,000,000. | | C D. Josephson received a 1-year contract through automatic renewal worth a total of $1,500,000. | | SP B. Hooton received a 1-year contract through automatic renewal worth a total of $750,000. | | SP R. Reuschel received a 1-year contract through automatic renewal worth a total of $2,500,000. | | 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. | | MR T. House received a 1-year contract through automatic renewal worth a total of $750,000. | | RF J. Orta received a 1-year contract through automatic renewal worth a total of $2,000,000. | | LF H. McRae received a 1-year contract through automatic renewal worth a total of $750,000. |
| Friday, November 2nd, 1973 | | SP J. Palmer received a 1-year contract through arbitration worth a total of $5,000,000. | | SP M. Cuellar received a 1-year contract through arbitration worth a total of $3,219,840. | | CF C. Tovar received a 1-year contract through arbitration worth a total of $600,000. |
| Wednesday, October 17th, 1973 | | Released 3B J. Kenney. |
| Monday, September 24th, 1973 | | Purchased the contract of SP C. Hough from Triple A Pittsburgh. |
| Wednesday, July 18th, 1973 | | Signed 3B D. Demeter to a 2-year contract extension worth a total of $15,100,000. |
| Saturday, June 16th, 1973 | | Traded 30-year-old minor league third baseman P. Schaal, 38-year-old minor league starting pitcher P. Ramos, a 1st round draft pick and a 2nd round draft pick to the Manhattan Gray Sox, getting 34-year-old left fielder V. Pinson and 30-year-old reliever C. Upshaw in return. |
| Thursday, March 1st, 1973 | | Drafted 3B G. Brett in the 1973 first-year player draft (Round 1, Pick 1, 1st overall Pick). | | Drafted SP D. Ruthven in the 1973 first-year player draft (Round 2, Pick 5, 17th overall Pick). | | Demoted SP P. Ramos to Triple A Pittsburgh. | | Demoted MR D. Leonhard to Triple A Pittsburgh. | | Demoted 3B P. Schaal to Triple A Pittsburgh. | | Demoted C J. Edwards to Triple A Pittsburgh. | | Purchased the contract of RF B. Murcer from Triple A Pittsburgh. | | Drafted 1B J. Morales in the 1973 first-year player draft (Round 5, Pick 5, 53rd overall Pick). | | Drafted 1B J. Morales in the 1973 first-year player draft (Round 5, Pick 5, 53rd overall Pick). |
| Tuesday, February 6th, 1973 | | Signed free agent SS R. Hansen to a 1-year contract worth a total of $940,000. | | Signed free agent C T. McCarver to a 1-year contract worth a total of $3,670,000. |
| Sunday, November 5th, 1972 | | 2B R. Stennett received a 1-year contract through automatic renewal worth a total of $300,000. | | SP A. Foster received a 1-year contract through automatic renewal worth a total of $1,000,000. | | SP J. Richard received a 1-year contract through automatic renewal worth a total of $2,200,000. | | CF E. Maddox received a 1-year contract through automatic renewal worth a total of $2,000,000. | | MR A. Fitzmorris received a 1-year contract through automatic renewal worth a total of $500,000. | | MR E. Sprague received a 1-year contract through automatic renewal worth a total of $400,000. | | 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. | | RF J. Callison becomes a free-agent. | | 1B B. Watson received a 1-year contract through automatic renewal worth a total of $1,500,000. | | LF B. Oglivie received a 1-year contract through automatic renewal worth a total of $1,000,000. | | 1B W. McCovey becomes a free-agent. | | 3B D. Money received a 1-year contract through automatic renewal worth a total of $400,000. | | C D. Josephson received a 1-year contract through automatic renewal worth a total of $1,500,000. | | SS F. Patek received a 1-year contract through automatic renewal worth a total of $300,000. | | SP B. Hooton received a 1-year contract through automatic renewal worth a total of $750,000. | | SP F. Reberger received a 1-year contract through automatic renewal worth a total of $300,000. | | SP R. Reuschel received a 1-year contract through automatic renewal worth a total of $2,500,000. | | SS R. Hansen becomes a free-agent. | | 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. | | LF H. McRae received a 1-year contract through automatic renewal worth a total of $750,000. | | MR T. House received a 1-year contract through automatic renewal worth a total of $750,000. | | RF J. Orta received a 1-year contract through automatic renewal worth a total of $2,000,000. | | C G. Borgmann received a 1-year contract through automatic renewal worth a total of $300,000. | | MR B. Humphreys received a 1-year contract through automatic renewal worth a total of $620,000. |
| Thursday, November 2nd, 1972 | | Released 3B T. Perez. | | Released MR J. Grzenda. | | SP J. Palmer received a 1-year contract through arbitration worth a total of $5,121,900. |
| Thursday, October 12th, 1972 | | 1B D. Stuart retires. |
| Friday, June 16th, 1972 | | Placed LF L. Piniella on the International League 7-day disabled list. | | Placed SS L. Blanks on the International League 7-day disabled list. | | Placed RF B. Buckner on the International League 7-day disabled list. | | Traded 28-year-old minor league catcher A. Etchebarren and a 4th round draft pick to the Brooklyn Superbas, getting 30-year-old third baseman T. Perez in return. | | Demoted 3B J. Kenney to Triple A Pittsburgh. |
| Wednesday, March 1st, 1972 | | Drafted SP R. Reuschel in the 1972 first-year player draft (Round 1, Pick 1, 1st overall Pick). | | Traded 23-year-old starting pitcher S. Kline to the Los Angeles Outlaws, getting $1 in cash in return. | | Drafted 2B J. Orta in the 1972 first-year player draft (Round 1, Pick 11, 11th overall Pick). | | Traded 22-year-old minor league starting pitcher B. Johnson, 27-year-old minor league right fielder W. Williams and 26-year-old minor league starting pitcher S. Renko to the Brooklyn Superbas, getting 26-year-old left fielder H. McRae, 23-year-old minor league starting pitcher C. Hough, 34-year-old first baseman W. McCovey and 34-year-old left fielder J. Hickman in return. | | Traded 26-year-old shortstop H. Torres to the St. Louis Maroons, getting 39-year-old minor league first baseman D. Stuart in return. | | Drafted MR M. Garman in the 1972 first-year player draft (Round 3, Pick 2, 26th overall Pick). | | Drafted SP J. Bibby in the 1972 first-year player draft (Round 3, Pick 6, 30th overall Pick). | | Drafted SS L. Blanks in the 1972 first-year player draft (Round 4, Pick 1, 37th overall Pick). | | Drafted SP S. Busby in the 1972 first-year player draft (Round 4, Pick 2, 38th overall Pick). | | Drafted C G. Borgmann in the 1972 first-year player draft (Round 4, Pick 7, 43rd overall Pick). |
| 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 SP M. Pattin. | | Released MR D. Frisella. | | Released RF J. Alou. | | Released C J. Oates. | | Released MR M. Queen. | | Released 2B C. Ruiz. | | Released SP B. Belinsky. | | Released 2B P. Popovich. |
| 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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