| Wednesday, September 10th, 1980 | | LF Ricardo Rodríguez was injured on a defensive play. The Diagnosis: recurring back spasms. He's expected to miss about 5 weeks. |
| Wednesday, August 20th, 1980 | | SP Pedro Hernández was injured while throwing the ball. The Diagnosis: sprained elbow. He's expected to miss about one week. | | 1B Eduardo Jiménez was injured in a collision at a base. The Diagnosis: sprained knee. He's expected to miss about 5 weeks. |
| Monday, July 21st, 1980 | | 2B Masaharu Koumura was injured while running the bases. The Diagnosis: bruised ankle. This is a day-to-day injury expected to last 5 days. |
| Saturday, July 12th, 1980 | | 2B Dan Hughes was injured in a collision at a base. The Diagnosis: strained oblique. He's expected to miss about 3 weeks. |
| Thursday, July 10th, 1980 | | 1B Dan Hughes was injured while running the bases. The Diagnosis: hamstring tightness. This is a day-to-day injury expected to last 6 days. |
| Tuesday, July 1st, 1980 | | José Saldaña has suffered a setback in his recovery. He is not expected to recover for another one week. |
| Monday, June 30th, 1980 | | RF Cliff Gould was injured while running the bases. The Diagnosis: broken bone in elbow. He's expected to miss about 7 months. |
| Tuesday, June 24th, 1980 | | Pedro Herrera has suffered a setback in his recovery. He is not expected to recover for another 3 weeks. |
| Tuesday, June 17th, 1980 | | Salvador Guzmán has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. |
| Sunday, June 15th, 1980 | | RF Leonard O'Hoolighan was injured on a defensive play. The Diagnosis: fractured hand. He's expected to miss about 2-3 months. |
| Sunday, June 8th, 1980 | | Salvador Guzmán has suffered a setback in his recovery. He is not expected to recover for another 2 weeks. |
| Saturday, June 7th, 1980 | | RF Clifford Ware was injured while running the bases. The Diagnosis: back spasms. This is a day-to-day injury expected to last 2 days. |
| Tuesday, June 3rd, 1980 | | SS Pedro Herrera was injured while throwing the ball. The Diagnosis: strained oblique. He's expected to miss about 5 weeks. | | MR Glen McRae was injured while pitching. The Diagnosis: hamstring strain. He's expected to miss about 3 weeks. |
| Saturday, May 31st, 1980 | | RF José Saldaña was injured on a defensive play. The Diagnosis: sprained knee. He's expected to miss about 5 weeks. | | 3B Héctor García was injured on a defensive play. The Diagnosis: sprained elbow. He's expected to miss about 6 weeks. |
| Monday, May 26th, 1980 | | 3B Héctor García was injured while running the bases. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 4 days. |
| Friday, May 16th, 1980 | | CL Wayne Mills was injured while pitching. The Diagnosis: hamstring soreness. He's expected to miss about 1 day. |
| Wednesday, May 7th, 1980 | | MR Blake Puckett was injured while pitching. The Diagnosis: shoulder inflammation. He's expected to miss about 3 months. |
| Saturday, May 3rd, 1980 | | SS Pedro Herrera was injured on a defensive play. The Diagnosis: fractured rib. He's expected to miss about 4 weeks. |
| Saturday, April 26th, 1980 | | 2B Doug MacComas was injured while running the bases. The Diagnosis: bruised shoulder. This is a day-to-day injury expected to last one week. |
| Friday, April 25th, 1980 | | 2B Héctor García was injured in a collision at a base. The Diagnosis: sprained ankle. He's expected to miss about 4 weeks. |
| Tuesday, April 22nd, 1980 | | RF José Saldaña was injured while running the bases. The Diagnosis: bruised toe. This is a day-to-day injury expected to last 1 day. |
| Monday, April 21st, 1980 | | 2B Héctor García was injured while running the bases. The Diagnosis: foot soreness. This is a day-to-day injury expected to last 2 days. |
| Friday, April 18th, 1980 | | CL Salvador Guzmán was injured while pitching. The Diagnosis: hamstring strain. He's expected to miss about 7-8 weeks. |
| Monday, March 31st, 1980 | | SS Ricardo Cruz was injured while throwing the ball. The Diagnosis: abdominal soreness. This is a day-to-day injury expected to last 2 days. |
| Wednesday, March 26th, 1980 | | 1B Eduardo Jiménez was injured while running the bases. The Diagnosis: quadriceps strain. He's expected to miss about 5 weeks. |
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