| | | | | | | | | | |  | Major Transactions |
| | | | Wednesday, July 21st, 1965 | | Signed SP C. Osteen to a 2-year contract extension worth a total of $1,880,400. |
| Wednesday, April 21st, 1965 | | Placed SS B. Johnson on waivers. | | SS B. Johnson was designated for assignment and placed on waivers. | | Purchased the contract of SP F. Talbot from Triple A Spokane. |
| Sunday, December 20th, 1964 | | Signed free agent 1B T. Francona to a 1-year contract worth a total of $85,200. |
| Tuesday, December 15th, 1964 | | Signed free agent SP J. Bunning to a 3-year contract worth a total of $1,350,000. |
| Tuesday, December 8th, 1964 | | Signed free agent SP D. Mossi to a 3-year contract worth a total of $2,075,400. |
| Thursday, November 19th, 1964 | | MR S. Dillon received a 1-year contract through automatic renewal worth a total of $23,390. | | CL S. Miller becomes a free-agent. | | MR J. Hannan received a 1-year contract through automatic renewal worth a total of $23,390. | | 1B B. Skowron becomes a free-agent. | | 3B D. Allen received a 1-year contract through automatic renewal worth a total of $23,390. | | SP F. Talbot received a 1-year contract through automatic renewal worth a total of $23,390. | | RF J. King becomes a free-agent. | | MR P. Mikkelsen received a 1-year contract through automatic renewal worth a total of $23,390. | | 1B D. Long becomes a free-agent. | | 1B B. Zipfel received a 1-year contract through automatic renewal worth a total of $23,390. | | SS J. Kennedy received a 1-year contract through automatic renewal worth a total of $23,390. | | CF R. Repoz received a 1-year contract through automatic renewal worth a total of $23,390. | | RF J. Northrup received a 1-year contract through automatic renewal worth a total of $23,390. | | 3B J. Schaive becomes a free-agent. | | RF K. Berry received a 1-year contract through automatic renewal worth a total of $23,390. | | MR D. Coombs received a 1-year contract through automatic renewal worth a total of $23,390. | | SP J. Jenkins received a 1-year contract through automatic renewal worth a total of $23,390. | | C M. Brumley received a 1-year contract through automatic renewal worth a total of $23,390. | | Demoted RF K. Berry to Triple A Spokane. | | Placed MR M. Kutyna on the active roster. | | Activated MR M. Kutyna from the 60-day disabled list. |
| Monday, November 16th, 1964 | | SP B. Baird received a 1-year contract through arbitration worth a total of $206,208. | | MR M. Kutyna received a 1-year contract through arbitration worth a total of $50,850. | | CL S. Hamilton received a 1-year contract through arbitration worth a total of $100,944. | | LF D. Lock received a 1-year contract through arbitration worth a total of $43,056. | | LF C. Hinton received a 1-year contract through arbitration worth a total of $101,899. | | MR E. Hobaugh received a 1-year contract through arbitration worth a total of $101,664. | | SS B. Johnson received a 1-year contract through arbitration worth a total of $135,659. | | C K. Retzer received a 1-year contract through arbitration worth a total of $46,810. | | SP D. Stenhouse received a 1-year contract through arbitration worth a total of $70,932. |
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