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June 20, 2017 |
Piratas de Campeche released LHP Oscar Rivera. |
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March 24, 2017 |
Generales de Durango traded LHP Oscar Rivera to Piratas de Campeche. |
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September 19, 2016 |
LHP Oscar Rivera returned to Delfines de Ciudad del Carmen from Piratas de Campeche. |
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June 28, 2016 |
Delfines de Ciudad del Carmen traded LHP Oscar Rivera to Piratas de Campeche. |
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June 9, 2016 |
LHP Oscar Rivera assigned to Delfines de Ciudad del Carmen. |
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June 9, 2016 |
LHP Oscar Rivera assigned to Rieleros de Aguascalientes. |
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June 7, 2016 |
Delfines de Ciudad del Carmen placed LHP Oscar Rivera on the reserve list. |
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March 7, 2016 |
Sultanes de Monterrey traded LHP Oscar Rivera to Delfines de Ciudad del Carmen. |
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January 22, 2016 |
LHP Oscar Rivera returned to Sultanes de Monterrey from Delfines de Ciudad del Carmen. |
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April 1, 2015 |
Delfines de Ciudad del Carmen signed free agent LHP Oscar Rivera. |
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March 31, 2015 |
Sultanes de Monterrey released LHP Oscar Rivera. |
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February 6, 2015 |
Sultanes de Monterrey placed LHP Oscar Rivera on the reserve list. |
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August 8, 2014 |
Sultanes de Monterrey activated LHP Oscar Rivera. |
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June 20, 2014 |
Sultanes de Monterrey placed LHP Oscar Rivera on the reserve list. |
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April 1, 2014 |
Sultanes de Monterrey signed free agent LHP Oscar Rivera. |
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November 20, 2013 |
LHP Oscar Rivera assigned to Yaquis de Obregon. |
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November 16, 2013 |
Naranjeros de Hermosillo activated LHP Oscar Rivera. |
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November 5, 2013 |
Naranjeros de Hermosillo placed LHP Oscar Rivera on the reserve list. |
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October 14, 2013 |
LHP Oscar Rivera assigned to Naranjeros de Hermosillo. |
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October 9, 2012 |
Venados de Mazatlan activated LHP Oscar Rivera. |
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December 17, 2010 |
Oscar Rivera roster status changed by Aguilas de Mexicali. |
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November 19, 2010 |
LHP Oscar Rivera assigned to Aguilas de Mexicali. |
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July 25, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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July 20, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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July 17, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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July 13, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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July 10, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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July 6, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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July 4, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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July 2, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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June 29, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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June 25, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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June 22, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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June 18, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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June 15, 2010 |
Oscar Rivera roster status changed by Leones de Yucatan. |
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June 9, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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June 4, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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May 14, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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May 11, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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May 7, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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May 5, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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April 27, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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April 23, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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April 20, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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April 16, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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April 15, 2010 |
Leones de Yucatan activated LHP Oscar Rivera. |
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March 19, 2010 |
Leones de Yucatan placed LHP Oscar Rivera on the reserve list. |
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October 6, 2009 |
LHP Oscar Rivera assigned to Aguilas de Mexicali. |
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April 28, 2009 |
Leones de Yucatan signed free agent LHP Oscar Rivera. |