White Sox top pitching prospect Kopech opts out this year
White Sox activate Michael Kopech from IL
Now in Chisox 'pen, Kopech makes debut after 2020 opt-out
White Sox Begin Rebuilding With a Bang – Chicago Magazine
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Struggling White Sox starter Michael Kopech dispatched to the bullpen - Chicago Sun-Times
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White Sox Prospect Michael Kopech Stands Out in Era of Hard Throwers - The New York Times
Jose Berrios outlasts White Sox rookie Michael Kopech in 5-2 Twins win