High school teammates Lucas Giolito and Jack Flaherty square off

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MLB on X: From High School to The Show. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ Ethan Katz coached Jack Flaherty and Lucas Giolito as teammates, but tonight he'll watch them face off as pitching coach for the

High school teammates Jack Flaherty and Lucas Giolito talk about facing each other in big leagues