| | | Wednesday, August 17th, 1977 | | Placed RF Will Horn on the 15-day disabled list. |
| Sunday, August 14th, 1977 | | Activated SS Jerome Faulkner from the disabled list. |
| Saturday, July 30th, 1977 | | Placed SS Jerome Faulkner on the 15-day disabled list. |
| Friday, July 15th, 1977 | | Activated SP Dan Caudill from the disabled list. |
| Saturday, July 9th, 1977 | | Activated SP Morgan Cole from the disabled list. |
| Thursday, June 30th, 1977 | | Activated SP Dale Conley from the disabled list. |
| Friday, June 24th, 1977 | | Placed SP Morgan Cole on the 15-day disabled list. |
| Wednesday, June 15th, 1977 | | Placed SP Dale Conley on the 15-day disabled list. | | Drafted SP Morgan Cole in the 1977 first-year player draft (Round 6, Pick 10, 118th overall pick). | | Drafted C Stuart Davis in the 1977 first-year player draft (Round 7, Pick 10, 140th overall pick). | | Drafted SP Jeff Simpson in the 1977 first-year player draft (Round 8, Pick 10, 160th overall pick). | | Drafted C Brad Bailey in the 1977 first-year player draft (Round 9, Pick 10, 180th overall pick). | | Drafted RF Neil Norris in the 1977 first-year player draft (Round 10, Pick 10, 200th overall pick). |
| Monday, June 6th, 1977 | | Placed LF Nelson López on the 15-day disabled list. |
| Monday, May 30th, 1977 | | Activated C Javier Pérez from the disabled list. |
| Thursday, May 19th, 1977 | | Placed CF Nelson López on the 15-day disabled list. |
| Tuesday, May 17th, 1977 | | Activated 2B Robbie Scott from the disabled list. |
| Monday, May 9th, 1977 | | Placed C Javier Pérez on the 15-day disabled list. |
| Monday, May 2nd, 1977 | | Placed 2B Robbie Scott on the 15-day disabled list. |
| Sunday, April 10th, 1977 | | Placed SP Dan Caudill on the 15-day disabled list. |
| Thursday, August 26th, 1976 | | Signed Manager Bob Rowe to a 3-year contract extension. | | Signed Hitting Coach Stephen Alexander to a 2-year contract extension. |
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