Kansas City Royals pitcher Kelvin Herrera talks about throwing his slider this year. John Sleezer and Rustin Dodd The Kansas City Star
Kansas City Royals pitcher Kelvin Herrera talks about throwing his slider this year. John Sleezer and Rustin Dodd The Kansas City Star
Judging the Royals

Judging the Royals

Lee Judge shares insights from KC's major-leaguers.

Judging the Royals

How Kelvin Herrera is getting beat on secondary pitches

May 20, 2017 10:18 AM

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