| Wednesday, September 30th, 1964 | | 2B Paul Richards is ill. The Diagnosis: dizziness and nausea. This is a day-to-day injury expected to last 2 days. |
| Sunday, September 27th, 1964 | | SS Jeffery Sims was injured while running the bases. The Diagnosis: hamstring soreness. He's expected to miss about 2 days. |
| Saturday, September 26th, 1964 | | MR Denis Ward was injured while pitching. The Diagnosis: shoulder inflammation. He's expected to miss about 3-4 months. |
| Monday, September 21st, 1964 | | 2B Edgardo Santos was injured on a defensive play. The Diagnosis: strained hamstring. He's expected to miss about 2 weeks. |
| Saturday, September 12th, 1964 | | RF Miguel Perea was injured on a defensive play. The Diagnosis: lacerated hand. He's expected to miss about 2 weeks. | | MR Mike Dillon was injured while pitching. The Diagnosis: back tightness. This is a day-to-day injury expected to last 5 days. |
| Sunday, September 6th, 1964 | | SS Jeffery Sims is ill. The Diagnosis: sinus infection. He's expected to miss about 1 day. |
| Wednesday, September 2nd, 1964 | | 3B Howard Anslow was injured while throwing the ball. The Diagnosis: elbow strain. He's expected to miss about 6-7 weeks. |
| Thursday, August 20th, 1964 | | CF Jack Wells was injured on a defensive play. The Diagnosis: hamstring strain. He's expected to miss about 4 weeks. |
| Thursday, August 13th, 1964 | | RF José García was injured while running the bases. The Diagnosis: back stiffness. This is a day-to-day injury expected to last one week. |
| Monday, August 10th, 1964 | | SP Jason Jordan was injured while throwing the ball. The Diagnosis: back soreness. He's expected to miss about 1-2 weeks. |
| Thursday, July 16th, 1964 | | SP Guillermo Rodríguez was injured while pitching. The Diagnosis: strained oblique. He's expected to miss about one week. |
| Wednesday, July 8th, 1964 | | MR Mario García was injured while pitching. The Diagnosis: herniated disc (back). This is a day-to-day injury expected to last 6 days. |
| Sunday, July 5th, 1964 | | Edgardo Santos has suffered a setback in his recovery. He is not expected to recover for another 5 days. |
| Friday, July 3rd, 1964 | | SP Carlos Ruíz was injured while pitching. The Diagnosis: elbow inflammation. He's expected to miss about 4 weeks. |
| Tuesday, June 16th, 1964 | | 2B Edgardo Santos was injured in a collision at a base. The Diagnosis: oblique strain. He's expected to miss about 3 weeks. |
| Monday, June 15th, 1964 | | LF Jackson Mash was injured on a defensive play. The Diagnosis: post-concussion syndrome. He's expected to miss about 3 months. |
| Tuesday, May 26th, 1964 | | RF Jack Wells is ill. The Diagnosis: sinus infection. He's expected to miss about 3 days. |
| Sunday, May 24th, 1964 | | CF Gabriel Alvarado was injured on a defensive play. The Diagnosis: hamstring strain. He's expected to miss about 4 weeks. |
| Wednesday, May 20th, 1964 | | 2B Edgardo Santos was injured while running the bases. The Diagnosis: calf soreness. This is a day-to-day injury expected to last 2 days. |
| Thursday, May 7th, 1964 | | RF Javier Vázquez was injured on a defensive play. The Diagnosis: back soreness. He's expected to miss about 2 weeks. |
| Tuesday, April 14th, 1964 | | MR Jessie Byer was injured while pitching. The Diagnosis: mild oblique strain. This is a day-to-day injury expected to last 2 days. |
| Monday, April 13th, 1964 | | 2B Manuel Encarnación is ill. The Diagnosis: cold. This is a day-to-day injury expected to last 3 days. |
| Wednesday, April 8th, 1964 | | Brody MacFadden has suffered a setback in his recovery. He is not expected to recover for another 4 days. |
| Wednesday, April 1st, 1964 | | MR Brody MacFadden was injured while pitching. The Diagnosis: wrist soreness. This is a day-to-day injury expected to last one week. |
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