| Lou Marson | C | 4/25/2013 | on 15-day DL | Right shoulder soreness |
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| Brett Myers | P | 4/20/2013 | on 15-day DL | Right elbow inflammation |
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| Frank Herrmann | P | 3/31/2013 | on 60-day DL | Right elbow surgery - out for season |
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| Blake Wood | P | 3/11/2013 | on 60-day DL | Recovery from right elbow surgery |
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| Josh Tomlin | P | 2/18/2013 | on 60-day DL | Recovery from right elbow surgery |
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