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Fantasy baseball prospect rankings: Updated top 10 for 2019

Vladimir Guerrero Jr. is on track to join the Blue Jays soon. Kim Klement-USA TODAY Sports

Fantasy baseball managers always seek upside, and there are countless young stars in waiting in the minor leagues. Which ones deserve a spot on your fantasy roster as potential impact players for the 2019 season? Here are my top 10, ranked based on a blend of talent and potential MLB (and fantasy) opportunity.

Check back all season for regular updates to this top 10.

1. Vladimir Guerrero Jr., 3B, Toronto Blue Jays