| | | Monday, August 22nd, 1977 | | Placed 3B Theodore Hall on the 15-day disabled list. |
| Tuesday, August 2nd, 1977 | | Received MR Jim Fry from Double A Austin. |
| Wednesday, June 15th, 1977 | | Drafted C Tyler Ross in the 1977 first-year player draft (Round 6, Pick 12, 120th overall pick). | | Drafted MR Phil Lambert in the 1977 first-year player draft (Round 7, Pick 12, 142nd overall pick). | | Drafted C Monty Thomas in the 1977 first-year player draft (Round 8, Pick 12, 162nd overall pick). | | Drafted SP Dan Kennedy Jr. in the 1977 first-year player draft (Round 9, Pick 12, 182nd overall pick). | | Drafted MR Ken Henderson in the 1977 first-year player draft (Round 10, Pick 12, 202nd overall pick). | | Promoted MR Júlio Lozano to Double A Austin. | | Promoted 2B Brett Ernst to Double A Austin. | | Received MR Richard Blake from Double A Austin. |
| Thursday, April 21st, 1977 | | Placed SP Song-shil Kim on the 15-day disabled list. |
| Tuesday, October 5th, 1976 | | Activated SP Júlio Cortéz from the disabled list. |
| Thursday, September 16th, 1976 | | Placed SP Júlio Cortéz on the 15-day disabled list. |
| Friday, September 10th, 1976 | | Activated LF Jim Martin from the disabled list. |
| Thursday, August 26th, 1976 | | Pitching Coach Jason Taylor leaves the team, his contract was not renewed. |
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