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REPORT: White Sox to Hire Ethan Katz as Pitching Coach

The White Sox reportedly have their new pitching coach.

Ethan Katz White Sox Pitching Coach
Photo: Randy Vazquez/Bay Area News Group

The White Sox have reportedly found their replacement for legendary pitching coach Don Cooper. San Francisco Giants’ assistant pitching coach, Ethan Katz, will take over the helm, per Chicagoland’s own Dave Williams of Barstool Sports.

Before taking roles in the Angels, Mariners, and Giants organizations, Katz previously served as the pitching coach at Harvard-Westlake High School (California) from 2009-2013. During his time there, he played a vital role in the development of White Sox ace Lucas Giolito in addition to Jack Flaherty of the Cardinals and Max Fried of the Braves.

Katz was one of the main contributors to the incredible transformation of Lucas Giolito into a perennial number one starting pitcher. During the offseason after the 2018 campaign, Giolito reached out to Katz and the rest of the story is history.

Here is one of the noticeable fixes Katz and Giolito put into place:

Giolito’s arm angle changed, giving him extra quickness to the plate and deception in being able to hide the baseball. This fix, along with many others, contributed to the turnaround of a 6.18 ERA in 2018 to a 3.41 clip in 2019. Giolito went on to become an American League All-Star in 2019.

This is a savvy hire for Rick Hahn and the rest of the White Sox brass. Bringing in Katz fulfills the need of incorporating advanced metrics into pitching adjustments.

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