| Friday, October 26th, 2012 | | SP Nelson Mayer was injured while pitching. The Diagnosis: torn biceps. He's expected to miss about 2 months. |
| Saturday, October 20th, 2012 | | MR Rich Barrett was injured while pitching. The Diagnosis: partially torn UCL (Tommy John surgery). He's expected to miss about 8-9 months. |
| Saturday, October 13th, 2012 | | 2B Alonso Núñes was injured while throwing the ball. The Diagnosis: shoulder tendinitis. He's expected to miss about 6 weeks. |
| Thursday, October 4th, 2012 | | 2B José Ortíz was injured . The Diagnosis: viral infection. He's expected to miss about 4 days. |
| Tuesday, September 11th, 2012 | | SP Tom Wagner was injured while pitching. The Diagnosis: hamstring strain. He's expected to miss about 7 weeks. |
| Thursday, September 6th, 2012 | | CF Dave Lewis was injured while throwing the ball. The Diagnosis: wrist soreness. This is a day-to-day injury expected to last 6 days. | | 3B Kevin Carey was injured while running the bases. The Diagnosis: mild hamstring strain. This is a day-to-day injury expected to last 2 days. |
| Saturday, September 1st, 2012 | | Troy Tracy has suffered a setback in his recovery. He is not expected to recover for another 6 days. |
| Monday, August 27th, 2012 | | SS Erik Bennett was injured while running the bases. The Diagnosis: intercostal strain. He's expected to miss about 3 weeks. |
| Friday, August 24th, 2012 | | CF Bob Reece was injured on a defensive play. The Diagnosis: post-concussion syndrome. He's expected to miss about 4-5 months. |
| Wednesday, August 8th, 2012 | | LF Troy Tracy was injured on a defensive play. The Diagnosis: shoulder tendinitis. He's expected to miss about 4 weeks. |
| Tuesday, August 7th, 2012 | | MR Francisco García was injured while pitching. The Diagnosis: ulnar nerve irritation. He's expected to miss about 3-4 months. |
| Saturday, July 28th, 2012 | | RF Victor Bailey was injured on a defensive play. The Diagnosis: torn ankle ligaments. He's expected to miss about 4 weeks. |
| Thursday, July 19th, 2012 | | RF Colin St. John was injured while running the bases. The Diagnosis: strained rib cage muscle. He's expected to miss about 3-4 weeks. |
| Sunday, July 8th, 2012 | | SP Bob Magee was injured while pitching. The Diagnosis: tender shoulder. This is a day-to-day injury expected to last one week. |
| Friday, July 6th, 2012 | | 2B Alonso Núñes was injured in a collision at a base. The Diagnosis: ankle soreness. He's expected to miss about 1-2 weeks. |
| Sunday, June 24th, 2012 | | 1B Vic Jennings was injured while running the bases. The Diagnosis: knee soreness. He's expected to miss about 6 days. |
| Monday, May 7th, 2012 | | MR Chris Mills was injured while pitching. The Diagnosis: ruptured tendon (finger). He's expected to miss about 3 months. |
| Monday, April 30th, 2012 | | 1B Vic Jennings was injured while running the bases. The Diagnosis: bruised thigh. This is a day-to-day injury expected to last 5 days. |
| Monday, April 23rd, 2012 | | Bob Reece has suffered a setback in his recovery. He is not expected to recover for another 2 weeks. |
| Saturday, April 21st, 2012 | | RF Colin St. John was injured on a defensive play. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 4 days. |
| Thursday, April 12th, 2012 | | CF Bob Reece was injured on a defensive play. The Diagnosis: strained oblique. He's expected to miss about 3 weeks. |
| Sunday, March 25th, 2012 | | MR Weldon Hoskins was injured while pitching. The Diagnosis: sprained elbow. He's expected to miss about one week. |
| Saturday, March 24th, 2012 | | SP Christian Clark was injured while pitching. The Diagnosis: elbow strain. He's expected to miss about 7 weeks. |
| Sunday, March 18th, 2012 | | SP Roberto González was injured while pitching. The Diagnosis: mild oblique strain. This is a day-to-day injury expected to last 2 days. |
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