| Wednesday, October 15th, 1958 | | Jimmy Belmore has suffered a setback in his recovery. He is not expected to recover for another 6 days. |
| Thursday, October 2nd, 1958 | | SP Jimmy Belmore was injured while running the bases. The Diagnosis: quadriceps strain. He's expected to miss about 2 weeks. |
| Wednesday, October 1st, 1958 | | Les Strong has suffered a setback in his recovery. He is not expected to recover for another 4 weeks. |
| Saturday, August 30th, 1958 | | MR Les Strong was injured while pitching. The Diagnosis: elbow strain. He's expected to miss about 7 weeks. |
| Saturday, August 23rd, 1958 | | SP Jimmy Belmore was injured while pitching. The Diagnosis: forearm soreness. This is a day-to-day injury expected to last 4 days. |
| Friday, August 22nd, 1958 | | 2B Bill Miller was injured in a collision at a base. The Diagnosis: shoulder soreness. He's expected to miss about 4 weeks. |
| Sunday, August 3rd, 1958 | | C Trent Eaton was injured while running the bases. The Diagnosis: oblique strain. He's expected to miss about 4-5 weeks. |
| Friday, August 1st, 1958 | | C Pedro Alfaro was injured while running the bases. The Diagnosis: foot soreness. This is a day-to-day injury expected to last 5 days. |
| Thursday, July 17th, 1958 | | RF Pablo Márquez was injured on a defensive play. The Diagnosis: sprained ankle. This is a day-to-day injury expected to last 2 weeks. |
| Friday, June 27th, 1958 | | SS António Darias was injured in a collision at a base. The Diagnosis: back stiffness. He's expected to miss about 2 weeks. |
| Sunday, June 8th, 1958 | | 3B Patrick Fitzgerald was injured while throwing the ball. The Diagnosis: sore shoulder. He's expected to miss about 2 weeks. |
| Sunday, June 1st, 1958 | | 3B Patrick Fitzgerald was injured while running the bases. The Diagnosis: sore back. This is a day-to-day injury expected to last 2 days. |
| Friday, May 23rd, 1958 | | Pablo Márquez has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. |
| Saturday, May 10th, 1958 | | RF Pablo Márquez was injured while throwing the ball. The Diagnosis: biceps tendinitis. He's expected to miss about 3 weeks. |
| Friday, May 9th, 1958 | | MR Les Strong is ill. The Diagnosis: sinusitis. He's expected to miss about 4 days. |
| Sunday, April 27th, 1958 | | 2B Bill Johnson was injured on a defensive play. The Diagnosis: strained hamstring. He's expected to miss about 3 weeks. |
| Monday, April 14th, 1958 | | SP Paul McCaslin was injured while pitching. The Diagnosis: sore back. This is a day-to-day injury expected to last 3 days. | | MR Les Strong was injured while pitching. The Diagnosis: strained back. This is a day-to-day injury expected to last one week. |
| Monday, April 7th, 1958 | | LF Lawrence Starratt was injured on a defensive play. The Diagnosis: mild shoulder strain. He's expected to miss about 1-2 weeks. |
| Wednesday, April 2nd, 1958 | | 2B Gene Roberson was injured in a collision at a base. The Diagnosis: post-concussion syndrome. He's expected to miss about 9-10 months. | | MR Curro Guerrero was injured while pitching. The Diagnosis: back spasms. This is a day-to-day injury expected to last 2 days. |
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