| Sunday, September 26th, 1971 | Activated 3B Chin-seok Chong from the disabled list. | Saturday, September 25th, 1971 | Placed CF Ricardo Chávez on the 9-day disabled list. | Friday, September 24th, 1971 | Placed 2B José Estrada on the 9-day disabled list. | Tuesday, September 21st, 1971 | Activated LF Ricardo Chávez from the disabled list. | Friday, September 10th, 1971 | Activated 2B José Estrada from the disabled list. | Friday, August 13th, 1971 | Signed Dan Hughes to a minor league contract with a signing bonus of $179,700. | Tuesday, August 10th, 1971 | Signed Pierangelo Buozzi to a minor league contract with a signing bonus of $11,200. | Tuesday, August 3rd, 1971 | Signed Eric MacNey to a minor league contract with a signing bonus of $11,500. | Sunday, August 1st, 1971 | Signed Eduardo Ríos to a minor league contract with a signing bonus of $111,000. | Saturday, July 31st, 1971 | Signed José Chalén to a minor league contract with a signing bonus of $44,200. | Friday, July 30th, 1971 | Signed Dan Oldenburg to a minor league contract with a signing bonus of $37,100. | Wednesday, July 28th, 1971 | Placed SP Félix Hernández on the 60-day disabled list. | Thursday, July 8th, 1971 | Signed 1st round draft pick Christian Brown for a signing bonus of $203,700 and a 2-year major league contract worth a total of $407,400. | Monday, April 5th, 1971 | Activated C Chet Williams from the disabled list. | Thursday, March 25th, 1971 | Placed C Chet Williams on the 9-day disabled list. | Monday, October 26th, 1970 | Signed scouting director Dustin Dennis to a 4-year, $17,500 per year contract. | |
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