| Saturday, September 10th, 1966 | Placed CF Ricardo Chávez on the 13-day disabled list. | Wednesday, September 7th, 1966 | Activated 1B Jim Clothier from the disabled list. | Saturday, August 13th, 1966 | Signed Joseph Olson to a minor league contract with a signing bonus of $34,100. | Friday, August 12th, 1966 | Signed William Rice to a minor league contract with a signing bonus of $9,100. | Thursday, August 11th, 1966 | Signed Nathan Ratzlaff to a minor league contract with a signing bonus of $12,900. | Signed Bob Foster to a minor league contract with a signing bonus of $5,400. | Wednesday, November 3rd, 1965 | Signed team doctor José Ortíz to a 5-year, $19,500 per year contract. | |
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