Rays pitching prospect made his Major League debut this weekend against the Astros. His stuff was electric and his command was better than expected. He could be an impact reliever during the final two weeks of the regular season and into October.

It’s not a hyperbole to say that Hopkins has the best stuff in professional baseball.

It starts with a very low, sub five-foot release height with plus extension that makes his 100mph fastball get on hitters even faster than the radar gun suggests. It gets significantly more vertical movement that expected from his slot, making it a pitch that plays best up in and above the zone – although the release…

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