He signed this with a paint pen.
CHICAGO WHITE SOX MICHAEL KOPECH SIGNED JERSEY SOUTHSIDE AUTHENTIC JSA COA AUTO
Michael Kopech says 'It's tough right now' after White Sox latest loss to Twins - Chicago Sun-Times
Michael Kopech, White Sox have found groove - Chicago Sun-Times
MLB Pitchers Stock Watch: Michael Kopech's Sunday Night Gem Has Him Skyrocketing
Michael Kopech yearns to realize potential, get White Sox back to postseason - The Athletic
Shohei Ohtani first AL pitcher in nearly 60 years to homer twice, strike out 10, Angels beat ChiSox
Michael Kopech - Chicago White Sox Starting Pitcher - ESPN
Michael Kopech and Chicago White Sox Bounced in Rubber Match vs Rangers
Michael Kopech returns to the White Sox as Bummer, Marshall go to the IL
Sox lose in 11: Kopech keeps cool in a game gone wild
DesignShort sleeve, button front jersey with authentic decoration and trimStretch mesh gussets under arms for enhanced range of motionStandard
Nike Men's Chicago White Sox Michael Kopech #26 White Cool Base Home Jersey
Michael Kopech was spectacular in his first spring training outing of 2023
2018 Bowman Prospects #BP86 Michael Kopech Chicago White Sox Official MLB Baseball Trading Card in Raw (NM or Better) Condition : Collectibles & Fine Art
White Sox get Michael Kopech back, Bummer, Marshall hit IL – NBC Sports Chicago