Marco Gonzales earns with for Tacoma Rainiers in first start with Mariners organization
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Cardinals acquire Mariners top prospect Tyler O'Neill for Marco Gonzales
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Mariners trade top prospect Tyler O'Neill for Cards' Marco Gonzales - Newsday
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Top 10 Prospects The Mariners Traded Away — College Baseball, MLB Draft, Prospects - Baseball America
Mariners, Gonzales agree to 4-year extension reportedly worth $30M
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St. Louis Cardinals snag Tyler O'Neill from Seattle Mariners for Marco Gonzales - Minor League Ball