PITTSBURGH, PA - JUNE 04: Mitch Keller #23 of the Pittsburgh Pirates in action during the game against the Miami Marlins at PNC Park on June 4, 2021 in Pittsburgh, Pennsylvania. (Photo by Joe Sargent/Getty Images)
The Pittsburgh Pirates former top prospect has continued to pitch to a mixed bag of results in the minor leagues.
When Mitch Keller debuted in 2019 he was the next top Pittsburgh Pirates pitching prospect, following guys like Gerrit Cole, Jameson Taillon, and Tyler Glasnow. The hope was that unlike the other three, Keller would develop to be that top prospect in Pittsburgh.