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April 2, 2011 |
Jackson Generals released RHP Mumba Rivera. |
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March 20, 2011 |
RHP Mumba Rivera assigned to Seattle Mariners. |
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November 2, 2010 |
RHP Mumba Rivera assigned to Indios de Mayaguez. |
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August 14, 2010 |
RHP Mumba Rivera assigned to West Tenn Diamond Jaxx from Tacoma Rainiers. |
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July 27, 2010 |
Mumba Rivera roster status changed by Tacoma Rainiers. |
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July 12, 2010 |
Tacoma Rainiers placed RHP Mumba Rivera on the 7-day disabled list. |
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June 27, 2010 |
Mumba Rivera roster status changed by Tacoma Rainiers. |
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June 15, 2010 |
RHP Mumba Rivera assigned to Tacoma Rainiers from West Tenn Diamond Jaxx. |
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November 11, 2009 |
RHP Mumba Rivera assigned to Indios de Mayaguez. |