| Monday, February 6th, 1978 | | Richard Campbell has suffered a setback in his recovery. He is not expected to recover for another 6-7 months. |
| Friday, December 23rd, 1977 | | C Piero Pizzul was injured while getting hit with a golf ball. The Diagnosis: mild shoulder strain. He's expected to miss about 3 days. |
| Thursday, September 15th, 1977 | | SP Jesús Pérez was injured while pitching. The Diagnosis: herniated disc (back). This is a day-to-day injury expected to last one week. |
| Wednesday, September 14th, 1977 | | SP Paco Cisneros was injured while pitching. The Diagnosis: back spasms. This is a day-to-day injury expected to last 1 day. |
| Tuesday, September 6th, 1977 | | RF Roberto Mojica was injured while throwing the ball. The Diagnosis: mild abdominal strain. This is a day-to-day injury expected to last 2 days. |
| Saturday, September 3rd, 1977 | | 1B Bernard Jones was injured while running the bases. The Diagnosis: back soreness. He's expected to miss about 3 days. | | SP Tyler Underdown was injured while pitching. The Diagnosis: oblique strain. He's expected to miss about 5 days. |
| Friday, September 2nd, 1977 | | MR Tommy Williams was injured while pitching. The Diagnosis: partially torn labrum. He's expected to miss about 8-9 weeks. |
| Thursday, August 25th, 1977 | | MR Richard Campbell was injured while pitching. The Diagnosis: torn elbow ligament. He's expected to miss about 10 months. |
| Sunday, August 21st, 1977 | | SP Bor-zeng Chen was injured while pitching. The Diagnosis: sore shoulder. He's expected to miss about 3 weeks. | | MR Pedro Delgado was injured while pitching. The Diagnosis: mild oblique strain. This is a day-to-day injury expected to last 2 days. |
| Wednesday, August 17th, 1977 | | SP Bor-zeng Chen was injured while pitching. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last 4 days. |
| Tuesday, August 9th, 1977 | | SP Tyler Underdown was injured while pitching. The Diagnosis: dead arm. He's expected to miss about one week. |
| Wednesday, August 3rd, 1977 | | C Johnny Jones was injured while running the bases. The Diagnosis: hamstring tightness. He's expected to miss about 2-3 weeks. |
| Tuesday, August 2nd, 1977 | | C Johnny Jones was injured while running the bases. The Diagnosis: twisted ankle. This is a day-to-day injury expected to last 1-2 weeks. |
| Monday, June 27th, 1977 | | RF Roberto Mojica was injured on a defensive play. The Diagnosis: recurring back spasms. He's expected to miss about 5-6 weeks. |
| Thursday, June 23rd, 1977 | | SP Tyler Underdown was injured while pitching. The Diagnosis: forearm soreness. This is a day-to-day injury expected to last 4 days. |
| Monday, June 13th, 1977 | | SP Bor-zeng Chen was injured while pitching. The Diagnosis: finger blister. This is a day-to-day injury expected to last 4 days. |
| Sunday, May 29th, 1977 | | RF Roberto Mojica was injured while running the bases. The Diagnosis: bruised hand. This is a day-to-day injury expected to last one week. | | 2B Earl Evans was injured while running the bases. The Diagnosis: torn groin. He's expected to miss about 3 months. |
| Thursday, May 26th, 1977 | | 1B Masafumi Kichida is ill. The Diagnosis: virus. He's expected to miss about 3 days. | | 3B Jaime Morán was injured while throwing the ball. The Diagnosis: mild calf strain. This is a day-to-day injury expected to last 4 days. |
| Thursday, May 19th, 1977 | | MR Jesús Pérez was injured while pitching. The Diagnosis: ruptured tendon (finger). He's expected to miss about 4 months. |
| Wednesday, May 11th, 1977 | | SP Tyler Underdown was injured while pitching. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 3 days. |
| Sunday, May 8th, 1977 | | RF Roberto Mojica was injured while throwing the ball. The Diagnosis: mild abdominal strain. This is a day-to-day injury expected to last 2 days. |
| Saturday, April 9th, 1977 | | RF Roberto Mojica was injured while running the bases. The Diagnosis: bruised wrist. This is a day-to-day injury expected to last 3 days. |
| Thursday, April 7th, 1977 | | LF António Ortíz was injured on a defensive play. The Diagnosis: torn thumb ligament. He's expected to miss about 2 weeks. |
| Tuesday, March 29th, 1977 | | MR Jesús Pérez was injured while pitching. The Diagnosis: elbow tendinitis. He's expected to miss about 2 weeks. | | CL Denny Cole was injured while pitching. The Diagnosis: oblique strain. He's expected to miss about 5 days. |
| Friday, March 25th, 1977 | | MR Joe Anderson was injured while pitching. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 5 days. |
| Monday, March 21st, 1977 | | MR Jesús Pérez was injured while pitching. The Diagnosis: tender shoulder. This is a day-to-day injury expected to last one week. |
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