| Wednesday, September 7th, 1966 | Placed 3B Randy Fell on waivers. | Tuesday, September 6th, 1966 | Activated SP Al Willis from the 60-day disabled list. | MR Johnny Anderson was designated for assignment, placed on waivers and taken off the 40-man roster. | Saturday, September 3rd, 1966 | Placed 3B Randy Fell on waivers. | Thursday, August 11th, 1966 | Signed Pepe Rodríguez to a minor league contract with a signing bonus of $50,500. | Wednesday, August 10th, 1966 | Signed Dale MacAuslane to a minor league contract with a signing bonus of $10,200. | Tuesday, August 9th, 1966 | Signed Rafael Vázquez to a minor league contract with a signing bonus of $4,900. | Sunday, August 7th, 1966 | Signed Michael Tucker to a minor league contract with a signing bonus of $33,500. | Saturday, August 6th, 1966 | Signed Craig Morgan to a minor league contract with a signing bonus of $6,700. | Wednesday, July 27th, 1966 | Placed 3B Mike Fox on the 13-day disabled list. | Purchased the contract of 2B Sloan Leach from Double A Victoria. | |
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