| Monday, September 26th, 1977 | | Dennis Jensen has suffered a setback in his recovery. He is not expected to recover for another 7 months. |
| Thursday, September 22nd, 1977 | | CF Al Phillips was injured while running the bases. The Diagnosis: bruised knee. This is a day-to-day injury expected to last 4 days. |
| Saturday, September 17th, 1977 | | LF Dan Weber was injured while running the bases. The Diagnosis: elbow contusion. He's expected to miss about 5 days. |
| Sunday, September 11th, 1977 | | Bernardo Mercardo has suffered a setback in his recovery. He is not expected to recover for another 6 days. |
| Tuesday, September 6th, 1977 | | SS Bernardo Mercardo was injured while throwing the ball. The Diagnosis: elbow inflammation. He's expected to miss about one week. |
| Monday, September 5th, 1977 | | CF Félix Méndez was injured on a defensive play. The Diagnosis: torn labrum (Shoulder). This is a CAREER ENDING injury! |
| Monday, August 29th, 1977 | | SS José Zapata was injured in a collision at a base. The Diagnosis: partially torn labrum. He's expected to miss about 3-4 months. |
| Sunday, August 21st, 1977 | | 3B Tim Merz is ill. The Diagnosis: flu. This is a day-to-day injury expected to last 3 days. |
| Tuesday, August 16th, 1977 | | MR Carlos Gonzáles was injured while pitching. The Diagnosis: wrist soreness. He's expected to miss about 2 weeks. |
| Sunday, August 14th, 1977 | | SP António Gómez was injured while pitching. The Diagnosis: mild calf strain. This is a day-to-day injury expected to last one week. |
| Saturday, August 13th, 1977 | | C Gonzalo Ríos is ill. The Diagnosis: dehydration. This is a day-to-day injury expected to last 1 day. |
| Wednesday, July 27th, 1977 | | CF Félix Méndez was injured on a defensive play. The Diagnosis: oblique strain. He's expected to miss about one week. |
| Friday, July 22nd, 1977 | | SP Lynn Hopkins was injured while pitching. The Diagnosis: herniated disc (back). He's expected to miss about 2-3 weeks. |
| Thursday, July 21st, 1977 | | LF Félix Méndez was injured while running the bases. The Diagnosis: strained rib cage muscle. This is a day-to-day injury expected to last 5 days. |
| Saturday, June 25th, 1977 | | SS Ánibal Aldeguer is ill. The Diagnosis: gout. He's expected to miss about 1 day. |
| Friday, June 17th, 1977 | | SS Joe MacDonald was injured in a collision at a base. The Diagnosis: back soreness. He's expected to miss about 2 weeks. |
| Tuesday, June 14th, 1977 | | SP António Gómez was injured while pitching. The Diagnosis: finger blister. This is a day-to-day injury expected to last 4 days. |
| Wednesday, June 1st, 1977 | | SP António Gómez was injured while pitching. The Diagnosis: finger blister. This is a day-to-day injury expected to last 1 day. |
| Saturday, May 28th, 1977 | | SP António Gómez was injured while pitching. The Diagnosis: back spasms. This is a day-to-day injury expected to last 4 days. |
| Monday, May 16th, 1977 | | LF Nick Cline was injured on a defensive play. The Diagnosis: strained rib cage muscle. He's expected to miss about 2 weeks. |
| Sunday, May 15th, 1977 | | SS Joe MacDonald was injured while throwing the ball. The Diagnosis: back spasms. This is a day-to-day injury expected to last 1 day. |
| Thursday, April 28th, 1977 | | 2B Bernardo Mercardo was injured while running the bases. The Diagnosis: knee soreness. He's expected to miss about 6 days. |
| Tuesday, April 19th, 1977 | | 2B Tom Allen was injured on a defensive play. The Diagnosis: oblique strain. He's expected to miss about 2-3 weeks. |
| Saturday, April 9th, 1977 | | MR Kumanosuke Ageda was injured while pitching. The Diagnosis: hamstring soreness. He's expected to miss about 5 days. | | MR Vincente Martínez was injured while pitching. The Diagnosis: strained oblique. He's expected to miss about 2 weeks. |
| Saturday, March 26th, 1977 | | RF Dan Weber was injured on a defensive play. The Diagnosis: shoulder tendinitis. He's expected to miss about 6 days. |
| Monday, March 21st, 1977 | | SP Dennis Jensen was injured while pitching. The Diagnosis: torn rotator cuff. He's expected to miss about 10 months. |
| Sunday, March 20th, 1977 | | 3B José Zapata was injured while running the bases. The Diagnosis: groin soreness. This is a day-to-day injury expected to last 5 days. |
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