Kopech was trying to meet expectations after Sale trade
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Baseball players opting out of 2020 MLB season
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What Michael Kopech skipping season means for White Sox in 2020 and beyond – NBC Sports Chicago
New Socks, Same Road: The Emergence of Michael Kopech - 2080 Baseball
Michael Kopech struggles in White Sox' spring finale - Chicago Sun-Times
Michael Kopech: Chicago White Sox pitcher opts out of season
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White Sox lifeless after All-Star Break, blown out by Braves - On Tap Sports Net
Chicago White Sox Pitcher Michael Kopech Opts Out of 2020 Season – NBC Chicago