| Saturday, August 30th, 1980 | Activated SP Bill Cox from the disabled list. | Monday, August 11th, 1980 | Placed SP Ben Schultz Jr. on the 15-day disabled list. | Wednesday, July 9th, 1980 | Activated SS Hye-min P'aeng from the disabled list. | Monday, June 30th, 1980 | Activated RF Stephen Smith from the disabled list. | Tuesday, June 24th, 1980 | Placed SS Hye-min P'aeng on the 15-day disabled list. | Tuesday, April 22nd, 1980 | Placed RF Jeremy Ball on the 15-day disabled list. | |
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