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April 12, 2019 |
Generales de Durango placed RHP Sergio Valenzuela on the reserve list. |
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July 17, 2018 |
Generales de Durango activated RHP Sergio Valenzuela. |
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May 15, 2018 |
Generales de Durango placed RHP Sergio Valenzuela on the reserve list. |
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May 6, 2018 |
Generales de Durango signed free agent RHP Sergio Valenzuela. |
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April 10, 2018 |
Diablos Rojos del Mexico activated RHP Sergio Valenzuela. |
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January 10, 2018 |
Diablos Rojos del Mexico traded LHP Juan Pablo Oramas to Guerreros de Oaxaca for RHP Sergio Valenzuela. |
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November 14, 2017 |
Naranjeros de Hermosillo placed RHP Sergio Valenzuela on the reserve list. |
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October 15, 2017 |
RHP Sergio Valenzuela assigned to Naranjeros de Hermosillo. |
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September 11, 2017 |
RHP Sergio Valenzuela assigned to Guerreros de Oaxaca from Diablos Rojos del Mexico. |
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July 18, 2017 |
Diablos Rojos del Mexico placed RHP Sergio Valenzuela on the reserve list. |
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June 27, 2017 |
RHP Sergio Valenzuela assigned to Diablos Rojos del Mexico from Guerreros de Oaxaca. |
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March 29, 2017 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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December 3, 2016 |
Venados de Mazatlan placed RHP Sergio Valenzuela on the reserve list. |
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November 12, 2016 |
Venados de Mazatlan placed RHP Sergio Valenzuela on the reserve list. |
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November 12, 2016 |
Venados de Mazatlan activated RHP Sergio Valenzuela. |
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November 4, 2016 |
Venados de Mazatlan activated RHP Sergio Valenzuela. |
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October 25, 2016 |
Venados de Mazatlan placed RHP Sergio Valenzuela on the reserve list. |
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June 10, 2016 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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January 27, 2016 |
RHP Sergio Valenzuela assigned to Mexico. |
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December 17, 2015 |
Venados de Mazatlan activated RHP Sergio Valenzuela. |
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December 8, 2015 |
Venados de Mazatlan placed RHP Sergio Valenzuela on the reserve list. |
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April 1, 2015 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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February 6, 2015 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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October 9, 2014 |
RHP Sergio Valenzuela assigned to Venados de Mazatlan. |
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July 1, 2014 |
Guerreros de Oaxaca signed free agent RHP Sergio Valenzuela. |
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December 15, 2012 |
Aguilas de Mexicali traded 3B Issmael Salas to Venados de Mazatlan for RHP Sergio Valenzuela. |
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December 1, 2012 |
Sergio Valenzuela roster status changed by Venados de Mazatlan. |
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November 30, 2012 |
Venados de Mazatlan placed RHP Sergio Valenzuela on the reserve list. |
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October 9, 2012 |
Venados de Mazatlan activated RHP Sergio Valenzuela. |
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March 18, 2011 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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August 6, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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August 5, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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August 2, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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August 1, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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July 29, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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July 27, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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July 24, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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July 22, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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July 17, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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July 16, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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July 13, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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July 9, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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July 6, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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July 2, 2010 |
Sergio Valenzuela roster status changed by Guerreros de Oaxaca. |
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June 23, 2010 |
Sergio Valenzuela roster status changed by Guerreros de Oaxaca. |
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June 17, 2010 |
Guerreros de Oaxaca placed Sergio Valenzuela on the reserve list. |
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June 16, 2010 |
Sergio Valenzuela roster status changed by Guerreros de Oaxaca. |
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June 11, 2010 |
Guerreros de Oaxaca placed Sergio Valenzuela on the reserve list. |
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May 11, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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May 7, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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May 4, 2010 |
Guerreros de Oaxaca activated RHP Sergio Valenzuela. |
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May 1, 2010 |
Guerreros de Oaxaca placed RHP Sergio Valenzuela on the reserve list. |
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March 19, 2010 |
Guerreros de Oaxaca signed free agent RHP Sergio Valenzuela. |
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December 31, 2009 |
RHP Sergio Valenzuela elected free agency. |
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October 6, 2009 |
RHP Sergio Valenzuela assigned to Venados de Mazatlan. |
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July 2, 2009 |
Acereros del Norte traded RHP Sergio Valenzuela to Tigres de Quintana Roo. |
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June 26, 2009 |
Acereros del Norte placed Sergio Valenzuela on the reserve list. |
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May 6, 2009 |
Acereros del Norte activated RHP Sergio Valenzuela. |
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April 21, 2009 |
Acereros del Norte placed RHP Sergio Valenzuela on the reserve list. |