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April 19, 2012 |
LHP Mike Jefferson assigned to West Virginia Power from State College Spikes. |
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April 17, 2012 |
Mike Jefferson assigned to State College Spikes from West Virginia Power. |
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April 11, 2012 |
Mike Jefferson assigned to West Virginia Power from Pirates Extended Spring Training. |
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April 7, 2012 |
Mike Jefferson assigned to Pirates Extended Spring Training from West Virginia Power. |
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April 4, 2012 |
Mike Jefferson assigned to West Virginia Power from GCL Pirates. |
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September 1, 2011 |
Mike Jefferson assigned to GCL Pirates from State College Spikes. |
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June 22, 2011 |
Mike Jefferson assigned to State College Spikes. |
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June 20, 2011 |
Pittsburgh Pirates signed LHP Mike Jefferson. |