| Saturday, August 16th, 1980 | Activated CL Bobby Shelton from the disabled list. | Friday, July 18th, 1980 | Activated RF Kian Mountford from the disabled list. | Sunday, June 29th, 1980 | Activated LF Kian Mountford from the disabled list. | Saturday, June 14th, 1980 | Placed LF Kian Mountford on the 15-day disabled list. | Saturday, April 26th, 1980 | Placed RF Luis Villarreal on the 15-day disabled list. | Wednesday, April 16th, 1980 | Placed CL Bobby Shelton on the 15-day disabled list. | |
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