| | | | | | | | | | |  | Major Transactions |
| | | | Sunday, July 16th, 1967 | | Demoted LF W. Comer to Triple A Denver. | | Placed 2B J. Wood on the active roster. | | Activated 2B J. Wood from the disabled list. |
| Friday, June 16th, 1967 | | MR C. Simmons was designated for assignment and placed on waivers. | | Placed MR K. McBride on the active roster. |
| Friday, June 2nd, 1967 | | Signed free agent MR K. McBride to a 1-year contract worth a total of $300,000. |
| Monday, May 1st, 1967 | | Purchased the contract of LF W. Comer from Triple A Denver. |
| Sunday, April 23rd, 1967 | | Signed C T. McCarver to a 3-year contract extension worth a total of $1,454,400. |
| Tuesday, April 18th, 1967 | | Placed CF R. White on the 60-day disabled list. |
| Saturday, January 21st, 1967 | | Placed 2B J. Lumpe on the active roster. |
| Thursday, January 5th, 1967 | | Signed free agent 2B J. Lumpe to a 1-year contract worth a total of $52,800. |
| Friday, December 16th, 1966 | | Placed CF L. Green on the active roster. |
| Sunday, December 4th, 1966 | | Signed free agent CF L. Green to a 1-year contract worth a total of $150,000. |
| Friday, November 11th, 1966 | | MR J. Purdin received a 1-year contract through automatic renewal worth a total of $26,241. | | C J. French received a 1-year contract through automatic renewal worth a total of $26,241. | | LF R. White received a 1-year contract through automatic renewal worth a total of $26,241. | | MR D. Green becomes a free-agent. | | CF W. Mays becomes a free-agent. | | SP F. Peterson received a 1-year contract through automatic renewal worth a total of $26,241. | | MR B. Faul received a 1-year contract through automatic renewal worth a total of $26,241. | | SP N. Briles received a 1-year contract through automatic renewal worth a total of $26,241. | | 3B B. Harrelson received a 1-year contract through automatic renewal worth a total of $26,241. | | Purchased the contract of 1B A. Kosco from Triple A Denver. |
| Tuesday, November 8th, 1966 | | C T. McCarver received a 1-year contract through arbitration worth a total of $309,510. | | RF B. Morton received a 1-year contract through arbitration worth a total of $47,472. | | MR B. Humphreys received a 1-year contract through arbitration worth a total of $130,970. | | CL L. Bearnarth received a 1-year contract through arbitration worth a total of $125,718. | | SP M. Lolich received a 1-year contract through arbitration worth a total of $26,241. | | MR G. Richardson received a 1-year contract through arbitration worth a total of $82,110. | | 2B J. Wood received a 1-year contract through arbitration worth a total of $50,400. |
| Wednesday, October 19th, 1966 | | 1B R. Sievers retires. |
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