| Thursday, August 14th, 1980 | Activated 2B Phil Gray from the disabled list. | Placed SS Wilson Rodríguez on the 15-day disabled list. | Friday, July 25th, 1980 | Activated SP Jerry Brooks from the disabled list. | Thursday, July 10th, 1980 | Placed SP Jerry Brooks on the 15-day disabled list. | Tuesday, April 22nd, 1980 | Placed SS Jorge García on the 15-day disabled list. | Wednesday, April 16th, 1980 | Placed 2B Phil Gray on the 15-day disabled list. | |
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