| Wednesday, August 27th, 1958 | | 1B Jim Mueller was injured in a collision at a base. The Diagnosis: oblique strain. He's expected to miss about 2-3 weeks. |
| Tuesday, August 19th, 1958 | | RF Raúl Martínez was injured on a defensive play. The Diagnosis: sore back. This is a day-to-day injury expected to last 1 day. |
| Monday, July 21st, 1958 | | MR Pancho Herrera was injured while pitching. The Diagnosis: mild shoulder strain. He's expected to miss about 5 days. |
| Friday, June 20th, 1958 | | SS Roberto Mercado was injured in a collision at a base. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 2 weeks. |
| Sunday, May 18th, 1958 | | SP Don Hubbard was injured while pitching. The Diagnosis: sore ankle. This is a day-to-day injury expected to last 3 days. |
| Monday, May 5th, 1958 | | LF Bruno Paul is ill. The Diagnosis: viral infection. He's expected to miss about 2 days. |
| Wednesday, April 30th, 1958 | | SP Don Hubbard was injured while pitching. The Diagnosis: elbow tendinitis. He's expected to miss about 2 weeks. |
| Saturday, April 19th, 1958 | | C Ron Holt was injured while running the bases. The Diagnosis: knee soreness. He's expected to miss about 1 day. |
| Wednesday, April 16th, 1958 | | RF José Martínez was injured on a defensive play. The Diagnosis: strained oblique. He's expected to miss about 2 weeks. |
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