Outfielder Alex Jackson, despite a disappointing season, remains the Mariners’ top prospect in rankings by Baseball Prospectus.
Outfielder Alex Jackson, despite a disappointing season, remains the Mariners’ top prospect in rankings by Baseball Prospectus. Elaine Thompson AP
Outfielder Alex Jackson, despite a disappointing season, remains the Mariners’ top prospect in rankings by Baseball Prospectus. Elaine Thompson AP
Mariners Insider Blog

Mariners Insider Blog

Seattle Mariners news and analysis

Baseball Prospectus ranks the Mariners’ Top 10 prospects

December 15, 2015 8:33 AM

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Happy birthday, Leonys