BRADENTON, Fla. - The Bradenton rotation has been one of the strengths of the Pirates' farm system this year. The group is the strongest rotation in the system, and probably could be one of the strongest prospect rotations across the majors.

It is highlighted by Mitch Keller, who is one of the top pitching prospects in all of baseball. Keller is followed by Gage Hinsz and Taylor Hearn, who both throw mid-90s or better fastballs with promising secondary stuff. The rotation previously included Dario Agrazal, who was another guy sitting mid-90s. It is currently rounded out by Pedro Vasquez and Cam Vieaux, two guys who don't have the stuff of the top three pitchers, but get by with a bit more pitchability.

The rotation has seen five pitchers all year with MLB upside. With the season at t...

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