BOSTON — The Chicago White Sox positioned right-hander Michael Kopech on the 15-day injured checklist after he underwent surgical procedure to take away a cyst from his proper knee.
The staff mentioned the 27-year-old Kopech had the surgical procedure Friday morning and the restoration time is six to eight weeks.
To take his spot on the roster, the membership recalled righty Yohan Ramírez from Triple-A Charlotte.
Kopech completed the season with a 5-12 report and a 5.43 ERA in 30 video games, making 27 begins.
He got here to the White Sox in December 2016 together with Yoan Moncada and two different prospects from the Crimson Sox in a deal that despatched ace lefty Chris Sale to Boston.
Chicago (58-95) is trying to keep away from simply its second 100-loss season in 53 years and solely the fifth in membership historical past.