Michael Kopech: Chicago White Sox pitcher opts out of season
2023 MLB Season Preview: Chicago White Sox – M-SABR
White Sox Prospect Michael Kopech Stands Out in Era of Hard Throwers - The New York Times
Why is White Sox prospect Michael Kopech sitting out the 2020 season? - The Athletic
Sources: Meeting between Michael Kopech, White Sox laid out his 2020 concerns - The Athletic
Michael Kopech, White Sox still trying to shake off a horrid April - The Athletic
White Sox pitcher Michael Kopech opts out of 2020 season
2019 Prospects: Chicago White Sox Top 10 Prospects - Baseball ProspectusBaseball Prospectus
How Michael Kopech returned to the White Sox with an improved arsenal and mechanics - The Athletic
Sox prospect Michael Kopech believes controversies are behind him - The Boston Globe