| Saturday, August 23rd, 1958 | | SP Domingo García was injured while pitching. The Diagnosis: partially torn UCL (Tommy John surgery). He's expected to miss about 10 months. |
| Monday, August 18th, 1958 | | CF Lu-fang Tieh was injured on a defensive play. The Diagnosis: torn labrum (Shoulder). He's expected to miss about 4-5 months. |
| Thursday, August 14th, 1958 | | LF Rich Josey was injured while running the bases. The Diagnosis: oblique strain. He's expected to miss about 5-6 weeks. |
| Saturday, July 26th, 1958 | | LF José Souza was injured on a defensive play. The Diagnosis: sprained wrist. He's expected to miss about 4 weeks. |
| Thursday, July 17th, 1958 | | CF Juan Guerrero was injured while running the bases. The Diagnosis: bruised wrist. This is a day-to-day injury expected to last 3 days. |
| Thursday, July 10th, 1958 | | 1B Campbell Hayden was injured while running the bases. The Diagnosis: back tightness. He's expected to miss about 2 weeks. |
| Tuesday, July 8th, 1958 | | SP Júlio Hernández was injured while pitching. The Diagnosis: ruptured tendon (finger). He's expected to miss about 4 months. |
| Saturday, June 28th, 1958 | | 1B Joseph Seals is ill. The Diagnosis: flu. This is a day-to-day injury expected to last 4 days. |
| Friday, June 27th, 1958 | | SP Ken Pierce was injured while pitching. The Diagnosis: finger blister. This is a day-to-day injury expected to last 3 days. |
| Tuesday, June 24th, 1958 | | Campbell Hayden has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. |
| Sunday, June 22nd, 1958 | | LF José Souza was injured on a defensive play. The Diagnosis: bruised neck. He's expected to miss about 2 weeks. |
| Wednesday, June 11th, 1958 | | C Carl Webb is ill. The Diagnosis: cold. This is a day-to-day injury expected to last 1 day. |
| Tuesday, June 3rd, 1958 | | 1B Campbell Hayden was injured in a collision at a base. The Diagnosis: shoulder soreness. He's expected to miss about 4 weeks. |
| Tuesday, April 22nd, 1958 | | RF Pedro Santos is ill. The Diagnosis: flu-like symptoms. This is a day-to-day injury expected to last 1 day. | | 3B Arjan Walker was injured while running the bases. The Diagnosis: quadriceps strain. He's expected to miss about 6 days. |
| Monday, April 21st, 1958 | | RF Brett White was injured while running the bases. The Diagnosis: high ankle sprain. He's expected to miss about 4-5 weeks. |
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