Fantasy baseball prospect rankings: Brendan McKay on the move

Brendan McKay is the next promising young arm who can help the Rays' staff. Cliff Welch/Icon Sportswire

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.