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December 23, 2019 |
RHP Michael Rivera assigned to Atenienses de Manati. |
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December 21, 2019 |
Atenienses de Manati activated RHP Michael Rivera. |
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December 21, 2019 |
RHP Michael Rivera assigned to Gigantes de Carolina. |
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March 12, 2018 |
Everett AquaSox released RHP Michael Rivera. |
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July 20, 2017 |
RHP Michael Rivera assigned to Everett AquaSox from AZL Mariners. |
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July 14, 2017 |
RHP Michael Rivera assigned to AZL Mariners from Mariners Ext. Spring Training. |
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June 8, 2017 |
RHP Michael Rivera assigned to Mariners Ext. Spring Training from Clinton LumberKings. |
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May 31, 2017 |
RHP Michael Rivera assigned to Clinton LumberKings from Mariners Ext. Spring Training. |
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May 23, 2017 |
RHP Michael Rivera assigned to Mariners Ext. Spring Training from Modesto Nuts. |
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May 22, 2017 |
RHP Michael Rivera assigned to Modesto Nuts from Mariners Ext. Spring Training. |
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May 15, 2017 |
RHP Michael Rivera assigned to Mariners Ext. Spring Training from Modesto Nuts. |
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May 14, 2017 |
RHP Michael Rivera assigned to Modesto Nuts from AZL Mariners. |
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May 12, 2017 |
RHP Michael Rivera assigned to AZL Mariners from Tacoma Rainiers. |
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May 6, 2017 |
RHP Michael Rivera assigned to Tacoma Rainiers from Mariners Ext. Spring Training. |
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April 14, 2017 |
RHP Michael Rivera assigned to Mariners Ext. Spring Training from Tacoma Rainiers. |
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April 12, 2017 |
RHP Michael Rivera assigned to Tacoma Rainiers from AZL Mariners. |
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October 27, 2016 |
RHP Michael Rivera assigned to Cangrejeros de Santurce. |
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June 23, 2016 |
RHP Michael Rivera assigned to AZL Mariners from Everett AquaSox. |
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June 15, 2016 |
RHP Michael Rivera assigned to Everett AquaSox from AZL Mariners. |
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October 30, 2015 |
RHP Michael Rivera assigned to Cangrejeros de Santurce. |
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June 16, 2015 |
RHP Michael Rivera assigned to AZL Mariners. |
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June 16, 2015 |
Seattle Mariners signed RHP Michael Rivera. |