| Sunday, August 24th, 1980 | Activated CF T.J. Carpenter from the disabled list. | Monday, August 18th, 1980 | Activated LF José Tejada from the disabled list. | Wednesday, August 13th, 1980 | Activated RF Javier Robles from the disabled list. | Sunday, August 3rd, 1980 | Placed LF José Tejada on the 15-day disabled list. | Tuesday, July 29th, 1980 | Placed RF Javier Robles on the 15-day disabled list. | Monday, July 28th, 1980 | Placed CF T.J. Carpenter on the 15-day disabled list. | Monday, July 7th, 1980 | Activated SP Martin Brooks from the disabled list. | Sunday, June 22nd, 1980 | Placed SP Martin Brooks on the 15-day disabled list. | Sunday, May 4th, 1980 | Activated C Miguel Sousa from the disabled list. | Saturday, April 19th, 1980 | Placed C Miguel Sousa on the 15-day disabled list. | |
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