| | | Thursday, September 14th, 1972 | | Placed SS Joseph Desbiens on the 9-day disabled list. |
| Wednesday, September 6th, 1972 | | Placed RF Britt Small on the 9-day disabled list. |
| Monday, August 14th, 1972 | | Failed to sign 10th round draft pick Ronald Tyler. |
| Sunday, August 13th, 1972 | | Signed Manuel Acosta to a minor league contract with a signing bonus of $17,800. |
| Thursday, August 10th, 1972 | | Signed 1st round draft pick Luis Hernández for a signing bonus of $441,100 and a 2-year major league contract worth a total of $882,200. | | Signed Eric Cameron to a minor league contract with a signing bonus of $46,800. |
| Saturday, June 24th, 1972 | | Signed Ramón Martínez to a minor league contract with a signing bonus of $102,500. |
| Tuesday, June 20th, 1972 | | Signed José Guerrero to a minor league contract with a signing bonus of $66,400. |
| Sunday, April 16th, 1972 | | Activated LF Alfonso Serna from the disabled list. | | RF José Cedeño was designated for assignment and placed on waivers (from active). |
| Sunday, March 19th, 1972 | | Placed LF Alfonso Serna on the 9-day disabled list. |
| Thursday, December 23rd, 1971 | | 2B Bob Hale was designated for assignment and placed on waivers (from active). |
| Thursday, December 16th, 1971 | | Activated SS David Jiménez from the 60-day disabled list. | | 1B Dustin Burch was designated for assignment and placed on waivers (from active). |
| Wednesday, December 1st, 1971 | | C Román González was designated for assignment and placed on waivers (from active). | | Drafted C Curt Huffman in the 1971 rule 5 draft (Pick 2, Round 1, 2nd overall Pick), from the Atlanta Rebels. |
| Tuesday, October 26th, 1971 | | Signed manager Markus Houston to a 5-year, $61,100 per year contract. |
| Wednesday, October 13th, 1971 | | Activated CF Tom Sweet from the 60-day disabled list. | | Demoted LF Jin Lu to Triple A Brampton. |
| Monday, October 11th, 1971 | | Signed pitching coach Nicholas Heath to a 4-year, $24,700 per year contract. |
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