| | | | | | | | | | |  | Major Transactions |
| | | | Sunday, October 22nd, 1967 | | CF A. Pearson was designated for assignment and placed on waivers. |
| Sunday, September 17th, 1967 | | Signed 3B C. Boyer to a 2-year contract extension worth a total of $180,000. |
| Friday, April 21st, 1967 | | Signed SP M. Cuellar to a 3-year contract extension worth a total of $316,800. |
| Sunday, March 12th, 1967 | | Purchased the contract of SP R. Nye from Triple A Seattle. |
| Thursday, January 12th, 1967 | | Placed CF A. Pearson on the active roster. |
| Tuesday, December 27th, 1966 | | Signed free agent CF A. Pearson to a 2-year contract worth a total of $103,600. |
| Sunday, December 4th, 1966 | | Signed free agent SS E. Bressoud to a 2-year contract worth a total of $194,000. |
| Friday, November 11th, 1966 | | MR L. Foster received a 1-year contract through automatic renewal worth a total of $26,241. | | 3B H. Clarke received a 1-year contract through automatic renewal worth a total of $26,241. | | SP L. Walker received a 1-year contract through automatic renewal worth a total of $26,241. | | 1B P. Runnels becomes a free-agent. | | CF A. Pearson becomes a free-agent. | | LF A. Shamsky received a 1-year contract through automatic renewal worth a total of $26,241. | | SP D. Donovan becomes a free-agent. | | SP D. Lee becomes a free-agent. | | SS E. Bressoud becomes a free-agent. | | SP S. Hargan received a 1-year contract through automatic renewal worth a total of $26,241. | | SP D. Boswell received a 1-year contract through automatic renewal worth a total of $26,241. | | C B. Barton received a 1-year contract through automatic renewal worth a total of $26,241. | | C J. Lawrence received a 1-year contract through automatic renewal worth a total of $26,241. | | MR D. Lines received a 1-year contract through automatic renewal worth a total of $26,241. | | MR J. Verbanic received a 1-year contract through automatic renewal worth a total of $26,241. | | Demoted C J. Lawrence to Triple A Seattle. |
| Tuesday, November 8th, 1966 | | MR B. Priddy received a 1-year contract through arbitration worth a total of $121,578. | | MR W. Schurr received a 1-year contract through arbitration worth a total of $291,384. | | MR M. Cuellar received a 1-year contract through arbitration worth a total of $53,875. | | 2B B. Knoop received a 1-year contract through arbitration worth a total of $26,241. | | SP D. Morehead received a 1-year contract through arbitration worth a total of $26,275. | | MR J. Duckworth received a 1-year contract through arbitration worth a total of $26,241. |
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