Lucas Giolito and Jack Flaherty should come rejoin Ethan Katz

White Sox pitcher Lucas Giolito, a Harvard-Westlake product, reunites with Ethan Katz - The Washington Post

Lucas Giolito wins duel over Jack Flaherty

3 high school teammates become MLB opening day starters - The San Diego Union-Tribune

Projecting the Chicago White Sox opening-day roster: Who will claim the remaining spots?

Lucas Giolito to face Jack Flaherty, his ex-high school teammate

Lucas Giolito - Wikipedia

MLB - How cool is this? White Sox pitching coach Ethan Katz (middle) coached Jack Flaherty and Lucas Giolito in high school. Tonight, he gets to watch them face off in a

Lucas Giolito to face Jack Flaherty, his ex-high school teammate

Lucas Giolito to face Jack Flaherty, his ex-high school teammate