Michael Kopech's Personal Trainer Thinks Prospect Can Throw 107 MPH
Yankees' Aroldis Chapman throws 105 mph, twice
Baseball
Boston Red Sox prospect Michael Kopech's stock rising
Red Sox prospect Michael Kopech throws 105-m.p.h. fastball - The Boston Globe
White Sox announce front office hires, place Michael Kopech on IL
No one's ever heard of me': Do you remember White Sox prospect Scott Ruffcorn? - The Athletic
Sale on yielding ace role: 'We play for a trophy, not a tag
Michael Kopech is throwing 105 MPH heat - Over the Monster
White Sox Prospect Michael Kopech Unleashes 110-MPH Throw