| | | | | | | | | | |  | Major Transactions |
| | | | Saturday, September 21st, 1963 | | Signed CF J. Piersall to a 3-year contract extension worth a total of $105,000. |
| Wednesday, September 18th, 1963 | | Signed CF B. Virdon to a 3-year contract extension worth a total of $195,000. |
| Monday, September 16th, 1963 | | Placed CF B. Virdon on the active roster. | | Activated CF B. Virdon from the disabled list. |
| Sunday, September 1st, 1963 | | Placed CF J. Piersall on the active roster. | | Placed CL T. Butters on the active roster. | | Activated CL T. Butters from the 60-day disabled list. |
| Saturday, August 17th, 1963 | | Signed free agent CF J. Piersall to a 1-year contract worth a total of $24,000. |
| Friday, August 16th, 1963 | | Purchased the contract of LF H. Goss from Triple A Columbus. |
| Wednesday, August 14th, 1963 | | Placed CF B. Cowan on the 15-day disabled list. | | Placed 2B B. Martin on the active roster. | | Designated 2B B. Martin for assignment. |
| Saturday, August 3rd, 1963 | | Signed 2B B. Mazeroski to a 3-year contract extension worth a total of $405,000. |
| Thursday, August 1st, 1963 | | Demoted LF H. Goss to Triple A Columbus. | | Placed RF W. Post on the active roster. | | Activated RF W. Post from the disabled list. |
| Monday, July 1st, 1963 | | Placed CF B. Virdon on the 15-day disabled list. | | Purchased the contract of LF H. Goss from Triple A Columbus. |
| Saturday, June 1st, 1963 | | Placed SP B. Veale on the 15-day disabled list. | | Traded 28-year old right fielder R. Clemente and 23-year old minor league reliever B. Priddy to the Boston Red Sox, getting 26-year old center fielder G. Geiger and 33-year old right fielder W. Post in return. | | Placed CF G. Geiger on the active roster. | | Placed RF W. Post on the 15-day disabled list. |
| Tuesday, April 9th, 1963 | | Signed free agent MR K. Lehman to a 1-year contract worth a total of $33,000. |
| Sunday, March 10th, 1963 | | Placed MR W. Smith on the active roster. |
| Wednesday, February 13th, 1963 | | Signed SS D. Groat to a 3-year contract extension worth a total of $210,000. |
| Monday, February 11th, 1963 | | Signed free agent MR W. Smith to a 2-year contract worth a total of $300,000. |
| Wednesday, January 16th, 1963 | | Placed MR R. Face on the active roster. | | Placed 3B E. Kasko on the active roster. |
| Friday, January 11th, 1963 | | Signed free agent MR C. Nichols to a 3-year contract worth a total of $435,000. |
| Monday, January 7th, 1963 | | Signed free agent C J. Roseboro to a 2-year contract worth a total of $205,000. |
| Saturday, January 5th, 1963 | | Placed MR B. Fischer on the active roster. |
| Wednesday, January 2nd, 1963 | | Signed free agent 3B E. Kasko to a 2-year contract worth a total of $62,000. |
| Monday, December 31st, 1962 | | Signed free agent MR R. Face to a 2-year contract worth a total of $409,600. |
| Thursday, December 20th, 1962 | | Signed free agent MR B. Fischer to a 2-year contract worth a total of $687,600. |
| Monday, December 17th, 1962 | | Placed 2B B. Martin on the active roster. |
| Saturday, December 1st, 1962 | | Signed free agent 2B B. Martin to a 1-year contract worth a total of $38,200. |
| Sunday, November 4th, 1962 | | 3B B. Bailey received a 1-year contract through automatic renewal worth a total of $20,849. | | SP B. Veale received a 1-year contract through automatic renewal worth a total of $20,849. | | 1B D. Clendenon received a 1-year contract through automatic renewal worth a total of $20,849. | | CF L. Elliot received a 1-year contract through automatic renewal worth a total of $20,849. | | MR R. Face becomes a free-agent. | | LF H. Goss received a 1-year contract through automatic renewal worth a total of $20,849. | | MR H. Haddix becomes a free-agent. | | 3B D. Hoak becomes a free-agent. | | SP J. Lamabe received a 1-year contract through automatic renewal worth a total of $20,849. | | C D. Leppert received a 1-year contract through automatic renewal worth a total of $20,849. | | CL T. Butters received a 1-year contract through automatic renewal worth a total of $20,849. | | SP A. McBean received a 1-year contract through automatic renewal worth a total of $20,849. | | MR T. Sisk received a 1-year contract through automatic renewal worth a total of $20,849. | | CL D. Olivo received a 1-year contract through automatic renewal worth a total of $20,849. | | LF W. Stargell received a 1-year contract through automatic renewal worth a total of $20,849. | | MR T. Sturdivant becomes a free-agent. | | Placed SP J. Lamabe on the active roster. | | Activated SP J. Lamabe from the disabled list. |
| Thursday, November 1st, 1962 | | SP E. Francis received a 1-year contract through arbitration worth a total of $185,472. | | SP J. Gibbon received a 1-year contract through arbitration worth a total of $43,194. | | SS C. Veal received a 1-year contract through arbitration worth a total of $20,849. | | 1B D. Stuart received a 1-year contract through arbitration worth a total of $283,354. |
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