San Francisco Giants coach Ethan Katz joins White Sox - McCovey Chronicles

Ethan Katz expected to return as pitching coach, others not asked – NBC Sports Chicago

Gabe Kapler announces most of his major league coaching staff - McCovey Chronicles

Peter Dreier, Robert Elias - Baseball Rebels - The Players, People, and Social Movements That Shook Up The Game and Changed America-University of Nebraska Press (2022), PDF, American Civil War

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This coach could be a problem for the Chicago White Sox

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Chicago White Sox: Ethan Katz on coaching 2 major-leaguers in high school

Chicago White Sox: Ethan Katz on coaching 2 major-leaguers in high school

Analyzing every MLB free-agent signing: Carlos Correa returns to the Twins after all

Function: White Sox reportedly nab new pitching coach, Ethan Katz - South Side Sox

Ethan Katz: Chicago White sox name new pitching coach

San Francisco Giants coach Ethan Katz joins White Sox - McCovey Chronicles

SF Giants Lose Pitching Coach Ethan Katz to White Sox

Chicago White Sox: Ethan Katz on coaching 2 major-leaguers in high school

Function: White Sox reportedly nab new pitching coach, Ethan Katz - South Side Sox