After changing his Sox, Michael Kopech set to face organization that drafted him

Michael Kopech is set to make his third major-league start Friday night, but it won’t be like his last one Sunday in Detroit.

It could be more like his big-league debut as it brings the additional element of facing the Red Sox, who traded him to the White Sox in the four-player package for Chris Sale.

“Take a deep breath and make pitches,’’ Renteria said Thursday before his White Sox faced the Red Sox in the opener of a four-game series at Guaranteed Rate Field.

Kopech hardly has been overwhelmed by his surroundings, allowing only one run in eight innings against the Tigers and the Twins. According to Baseball Reference, he is the only big-leaguer since 1908 to allow one or no runs and no…