| Monday, September 8th, 1958 | | LF Rens Munten was injured while running the bases. The Diagnosis: sprained thumb. He's expected to miss about one week. |
| Sunday, September 7th, 1958 | | Joaquín Oliva has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. |
| Saturday, September 6th, 1958 | | SP Bill Pierce was injured while pitching. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 2 days. |
| Wednesday, September 3rd, 1958 | | SP Cisco Simpson was injured while pitching. The Diagnosis: sore elbow. This is a day-to-day injury expected to last 6 days. |
| Friday, August 29th, 1958 | | MR Victor Buckley was injured while pitching. The Diagnosis: surgery to remove bone chips (elbow). He's expected to miss about 4-5 months. |
| Wednesday, August 27th, 1958 | | CF Peter Mills was injured on a defensive play. The Diagnosis: shoulder soreness. He's expected to miss about 2 weeks. |
| Friday, August 22nd, 1958 | | CF José Cedeño was injured on a defensive play. The Diagnosis: sprained ankle. He's expected to miss about 2 weeks. |
| Thursday, August 21st, 1958 | | SP Joaquín Oliva was injured while pitching. The Diagnosis: sprained ankle. He's expected to miss about 4 weeks. |
| Sunday, August 17th, 1958 | | CF Gary Sampson was injured on a defensive play. The Diagnosis: herniated disc (neck). This is a day-to-day injury expected to last 1-2 weeks. |
| Thursday, August 14th, 1958 | | SP Bill Pierce was injured while pitching. The Diagnosis: herniated disc (back). He's expected to miss about one week. |
| Wednesday, August 13th, 1958 | | MR Jeff Coleman was injured while pitching. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last 1-2 weeks. |
| Sunday, August 3rd, 1958 | | Bill Pierce has suffered a setback in his recovery. He is not expected to recover for another 6 days. |
| Tuesday, July 29th, 1958 | | Héctor Soto has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. |
| Sunday, July 27th, 1958 | | SP Bill Pierce was injured while pitching. The Diagnosis: tired arm. He's expected to miss about one week. |
| Friday, July 25th, 1958 | | RF Peter Mills was injured on a defensive play. The Diagnosis: bone bruise (knee). He's expected to miss about 4-5 weeks. |
| Sunday, July 20th, 1958 | | LF Héctor Soto was injured on a defensive play. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last 2 weeks. | | 2B Aurelio Marrero was injured while running the bases. The Diagnosis: calf strain. He's expected to miss about 3 weeks. |
| Friday, July 18th, 1958 | | MR Lorenzo Águila is ill. The Diagnosis: migraine. This is a day-to-day injury expected to last 1 day. |
| Sunday, June 29th, 1958 | | LF Rens Munten was injured in a collision at a base. The Diagnosis: hamstring strain. He's expected to miss about 2 months. | | 3B Tsumemasa Yamanaka was injured in a collision at a base. The Diagnosis: torn meniscus (knee). He's expected to miss about 3 months. |
| Monday, June 23rd, 1958 | | MR Lorenzo Águila was injured while pitching. The Diagnosis: back spasms. This is a day-to-day injury expected to last 6 days. |
| Tuesday, June 17th, 1958 | | 1B Larry Todd was injured while running the bases. The Diagnosis: torn hamstring. He's expected to miss about 6 weeks. |
| Sunday, June 15th, 1958 | | RF Peter Mills was injured while running the bases. The Diagnosis: mild oblique strain. This is a day-to-day injury expected to last 1 day. |
| Sunday, May 18th, 1958 | | MR Jeff Coleman was injured while pitching. The Diagnosis: strained abdominal muscle. He's expected to miss about one week. |
| Wednesday, May 14th, 1958 | | CF José Cedeño was injured while running the bases. The Diagnosis: fractured rib. He's expected to miss about 4 weeks. |
| Sunday, May 11th, 1958 | | 1B Larry Todd was injured while running the bases. The Diagnosis: bruised knee. This is a day-to-day injury expected to last 4 days. |
| Sunday, May 4th, 1958 | | 3B Tsumemasa Yamanaka was injured being hit by a pitch. The Diagnosis: fractured thumb. He's expected to miss about 3-4 weeks. |
| Wednesday, April 16th, 1958 | | SP Stan Vance was injured while pitching. The Diagnosis: hamstring soreness. He's expected to miss about 1 day. |
| Saturday, April 12th, 1958 | | SS Jesús Pérez is ill. The Diagnosis: stomach virus. He's expected to miss about 6 days. |
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