| Tuesday, September 21st, 1971 | Activated MR Arthur Osborne from the 60-day disabled list. | Friday, September 3rd, 1971 | Placed CF Ramón Gonzáles on the 9-day disabled list. | Friday, August 13th, 1971 | Signed Domingo Esparza to a minor league contract with a signing bonus of $28,200. | Wednesday, August 11th, 1971 | 2B António Darias was claimed off waivers from Atlanta. | Signed 1st round draft pick Ralph Walker for a signing bonus of $164,100 and a 2-year major league contract worth a total of $328,200. | Monday, August 9th, 1971 | Signed John Estes to a minor league contract with a signing bonus of $10,000. | Saturday, August 7th, 1971 | Signed Stephen O'Dell to a minor league contract with a signing bonus of $55,400. | Saturday, July 10th, 1971 | Signed Rich Emery to a minor league contract with a signing bonus of $57,300. | Friday, June 11th, 1971 | Placed SS Nolan Thomas on the 60-day disabled list. | Saturday, May 22nd, 1971 | Activated 1B Rubén Flores from the disabled list. | RF Iván Castillo was designated for assignment and placed on waivers (from active). | Monday, March 22nd, 1971 | Placed CL Manuel Pérez on the 60-day disabled list. | |
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